# YDB ## Documentation - [Contents](https://ydb.tech/docs/en/index.yaml) - [Quick start](https://ydb.tech/docs/en/quickstart.md) - [Concepts](https://ydb.tech/docs/en/concepts/index.md) - [Glossary](https://ydb.tech/docs/en/concepts/glossary.md) - [Overview](https://ydb.tech/docs/en/concepts/analytics/index.md) - [Data Ingestion](https://ydb.tech/docs/en/concepts/analytics/concepts/ingest.md) - [Data Storage](https://ydb.tech/docs/en/concepts/analytics/concepts/store.md) - [Query Execution](https://ydb.tech/docs/en/concepts/analytics/concepts/execution.md) - [Federated queries](https://ydb.tech/docs/en/concepts/analytics/concepts/federated.md) - [Data transformation and preparation (ETL/ELT)](https://ydb.tech/docs/en/concepts/analytics/concepts/etl.md) - [BI analytics and data visualization](https://ydb.tech/docs/en/concepts/analytics/concepts/bi.md) - [Machine Learning](https://ydb.tech/docs/en/concepts/analytics/concepts/ml.md) - [Key Features](https://ydb.tech/docs/en/concepts/analytics/olap_features.md) - [Stream processing](https://ydb.tech/docs/en/concepts/streaming-query/index.md) - [Streaming queries](https://ydb.tech/docs/en/concepts/streaming-query/streaming-query.md) - [Watermarks](https://ydb.tech/docs/en/concepts/streaming-query/watermarks.md) - [Architecture](https://ydb.tech/docs/en/concepts/architecture.md) - [Connecting to a database](https://ydb.tech/docs/en/concepts/connect.md) - [Schema objects](https://ydb.tech/docs/en/concepts/datamodel/index.md) - [Cluster namespace](https://ydb.tech/docs/en/concepts/datamodel/cluster-namespace.md) - [Directories](https://ydb.tech/docs/en/concepts/datamodel/dir.md) - [Tables](https://ydb.tech/docs/en/concepts/datamodel/table.md) - [Views](https://ydb.tech/docs/en/concepts/datamodel/view.md) - [Topics](https://ydb.tech/docs/en/concepts/datamodel/topic.md) - [Coordination nodes](https://ydb.tech/docs/en/concepts/datamodel/coordination-node.md) - [Secrets](https://ydb.tech/docs/en/concepts/datamodel/secrets.md) - [External tables](https://ydb.tech/docs/en/concepts/datamodel/external_table.md) - [External data source](https://ydb.tech/docs/en/concepts/datamodel/external_data_source.md) - [Backup collections](https://ydb.tech/docs/en/concepts/datamodel/backup-collection.md) - [Cluster topology](https://ydb.tech/docs/en/concepts/topology.md) - [Bridge mode](https://ydb.tech/docs/en/concepts/bridge.md) - [Query execution](https://ydb.tech/docs/en/concepts/query_execution/index.md) - [Overview](https://ydb.tech/docs/en/concepts/query_execution/index.md) - [Query optimizer](https://ydb.tech/docs/en/concepts/query_execution/optimizer.md) - [Multi-Version Concurrency Control (MVCC)](https://ydb.tech/docs/en/concepts/query_execution/mvcc.md) - [Secondary indexes](https://ydb.tech/docs/en/concepts/query_execution/secondary_indexes.md) - [Vector search](https://ydb.tech/docs/en/concepts/query_execution/vector_search.md) - [Overview](https://ydb.tech/docs/en/concepts/query_execution/federated_query/index.md) - [Architecture](https://ydb.tech/docs/en/concepts/query_execution/federated_query/architecture.md) - [Working with ClickHouse databases](https://ydb.tech/docs/en/concepts/query_execution/federated_query/clickhouse.md) - [Working with Greenplum databases](https://ydb.tech/docs/en/concepts/query_execution/federated_query/greenplum.md) - [Working with Microsoft SQL Server databases](https://ydb.tech/docs/en/concepts/query_execution/federated_query/ms_sql_server.md) - [Working with MySQL databases](https://ydb.tech/docs/en/concepts/query_execution/federated_query/mysql.md) - [Working with PostgreSQL databases](https://ydb.tech/docs/en/concepts/query_execution/federated_query/postgresql.md) - [Working with YDB databases](https://ydb.tech/docs/en/concepts/query_execution/federated_query/ydb.md) - [Reading data through connections](https://ydb.tech/docs/en/concepts/query_execution/federated_query/s3/external_data_source.md) - [Reading data through external tables](https://ydb.tech/docs/en/concepts/query_execution/federated_query/s3/external_table.md) - [Writing data to S3 buckets](https://ydb.tech/docs/en/concepts/query_execution/federated_query/s3/write_data.md) - [Data formats and compression algorithms](https://ydb.tech/docs/en/concepts/query_execution/federated_query/s3/formats.md) - [Mapping types for Parquet read and write](https://ydb.tech/docs/en/concepts/query_execution/federated_query/s3/arrow_types_mapping.md) - [Data partitioning](https://ydb.tech/docs/en/concepts/query_execution/federated_query/s3/partitioning.md) - [Extended data partitioning](https://ydb.tech/docs/en/concepts/query_execution/federated_query/s3/partition_projection.md) - [Data import and export](https://ydb.tech/docs/en/concepts/query_execution/federated_query/import_and_export.md) - [Spilling](https://ydb.tech/docs/en/concepts/query_execution/spilling.md) - [Scan queries](https://ydb.tech/docs/en/concepts/query_execution/scan_query.md) - [Transactions](https://ydb.tech/docs/en/concepts/transactions.md) - [Change Data Capture (CDC)](https://ydb.tech/docs/en/concepts/cdc.md) - [Time to live and eviction](https://ydb.tech/docs/en/concepts/ttl.md) - [Database limits](https://ydb.tech/docs/en/concepts/limits-ydb.md) - [Backup and restore](https://ydb.tech/docs/en/concepts/backup.md) - [Asynchronous replication](https://ydb.tech/docs/en/concepts/async-replication.md) - [Bridge mode](https://ydb.tech/docs/en/concepts/bridge.md) - [Data transfer](https://ydb.tech/docs/en/concepts/transfer.md) - [For DevOps](https://ydb.tech/docs/en/devops/index.md) - [Concepts](https://ydb.tech/docs/en/devops/concepts/index.md) - [System requirements](https://ydb.tech/docs/en/devops/concepts/system-requirements.md) - [Versioning](https://ydb.tech/docs/en/devops/concepts/versioning.md) - [Maintenance](https://ydb.tech/docs/en/devops/concepts/maintenance-without-downtime.md) - [Cluster configuration management](https://ydb.tech/docs/en/devops/configuration-management/index.md) - [Configuration V1](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/index.md) - [Configuration overview](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/config-overview.md) - [Static configuration](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/static-config.md) - [Dynamic configuration](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/dynamic-config.md) - [Volatile configuration](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/dynamic-config-volatile-config.md) - [Cluster configuration DSL](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/dynamic-config-selectors.md) - [Changing configurations via CMS](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/cms.md) - [Changing actor system configuration](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/change_actorsystem_configs.md) - [Cluster expansion](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/cluster-expansion.md) - [State Storage move](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/state-storage-move.md) - [Static group move](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/static-group-move.md) - [Replacing node FQDN](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/replacing-nodes.md) - [Database node authentication and authorization](https://ydb.tech/docs/en/devops/configuration-management/configuration-v1/node-authorization.md) - [Configuration V2](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/index.md) - [Configuration overview](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/config-overview.md) - [Configuration update](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/update-config.md) - [Cluster configuration DSL](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/dynamic-config-selectors.md) - [Configuration parameters](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/config-settings.md) - [Cluster expansion](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/cluster-expansion.md) - [State Storage move](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/state-storage-move.md) - [Static group move](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/static-group-move.md) - [Replacing node FQDN](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/replacing-nodes.md) - [Database node authentication and authorization](https://ydb.tech/docs/en/devops/configuration-management/configuration-v2/node-authorization.md) - [Migration](https://ydb.tech/docs/en/devops/configuration-management/migration/index.md) - [Migration to configuration V2](https://ydb.tech/docs/en/devops/configuration-management/migration/migration-to-v2.md) - [Migration to configuration V1](https://ydb.tech/docs/en/devops/configuration-management/migration/migration-to-v1.md) - [Checking configuration version](https://ydb.tech/docs/en/devops/configuration-management/check-config-version.md) - [Comparing configurations V1 and V2](https://ydb.tech/docs/en/devops/configuration-management/compare-configs.md) - [Deployment options](https://ydb.tech/docs/en/devops/deployment-options/index.md) - [Ansible](https://ydb.tech/docs/en/devops/deployment-options/ansible/index.md) - [Initial deployment](https://ydb.tech/docs/en/devops/deployment-options/ansible/initial-deployment/index.md) - [Deployment preparation](https://ydb.tech/docs/en/devops/deployment-options/ansible/initial-deployment/deployment-preparation.md) - [Configuration V1](https://ydb.tech/docs/en/devops/deployment-options/ansible/initial-deployment/deployment-configuration-v1.md) - [Configuration V2](https://ydb.tech/docs/en/devops/deployment-options/ansible/initial-deployment/deployment-configuration-v2.md) - [Preparing VMs with Terraform](https://ydb.tech/docs/en/devops/deployment-options/ansible/preparing-vms-with-terraform.md) - [Restart](https://ydb.tech/docs/en/devops/deployment-options/ansible/restart.md) - [Update config](https://ydb.tech/docs/en/devops/deployment-options/ansible/update-config.md) - [Update executable](https://ydb.tech/docs/en/devops/deployment-options/ansible/update-executable.md) - [Observability](https://ydb.tech/docs/en/devops/deployment-options/ansible/observability/index.md) - [Logging](https://ydb.tech/docs/en/devops/deployment-options/ansible/observability/logging.md) - [Kubernetes](https://ydb.tech/docs/en/devops/deployment-options/kubernetes/index.md) - [Initial deployment](https://ydb.tech/docs/en/devops/deployment-options/kubernetes/initial-deployment.md) - [Manual](https://ydb.tech/docs/en/devops/deployment-options/manual/index.md) - [Initial deployment](https://ydb.tech/docs/en/devops/deployment-options/manual/initial-deployment/index.md) - [Deployment preparation](https://ydb.tech/docs/en/devops/deployment-options/manual/initial-deployment/deployment-preparation.md) - [Deploying a cluster using configuration V1](https://ydb.tech/docs/en/devops/deployment-options/manual/initial-deployment/deployment-configuration-v1.md) - [Deploying a cluster using configuration V2](https://ydb.tech/docs/en/devops/deployment-options/manual/initial-deployment/deployment-configuration-v2.md) - [Updating configuration](https://ydb.tech/docs/en/devops/deployment-options/manual/update-config.md) - [Cluster maintenance](https://ydb.tech/docs/en/devops/deployment-options/manual/maintenance.md) - [Updating executable](https://ydb.tech/docs/en/devops/deployment-options/manual/update-executable.md) - [Database node authentication and authorization](https://ydb.tech/docs/en/devops/deployment-options/manual/node-authorization.md) - [Managing a cluster in bridge mode](https://ydb.tech/docs/en/devops/deployment-options/manual/bridge-management.md) - [Overview](https://ydb.tech/docs/en/maintenance/manual/index.md) - [Expanding a cluster](https://ydb.tech/docs/en/maintenance/manual/cluster_expansion.md) - [Adding storage groups](https://ydb.tech/docs/en/maintenance/manual/adding_storage_groups.md) - [Safe restart and shutdown of nodes](https://ydb.tech/docs/en/maintenance/manual/node_restarting.md) - [Enabling/disabling Scrubbing](https://ydb.tech/docs/en/maintenance/manual/scrubbing.md) - [Working with SelfHeal](https://ydb.tech/docs/en/maintenance/manual/selfheal.md) - [Decommissioning a cluster part](https://ydb.tech/docs/en/devops/deployment-options/manual/decommissioning.md) - [Decommissioning groups using virtual groups](https://ydb.tech/docs/en/maintenance/manual/virtual_storage_groups_decommit.md) - [Moving VDisks](https://ydb.tech/docs/en/maintenance/manual/moving_vdisks.md) - [Staying within the failure model](https://ydb.tech/docs/en/maintenance/manual/failure_model.md) - [Disk load balancing](https://ydb.tech/docs/en/maintenance/manual/balancing_load.md) - [Freeing up space on physical devices](https://ydb.tech/docs/en/maintenance/manual/disk_end_space.md) - [Replacing a node's FQDN](https://ydb.tech/docs/en/maintenance/manual/replacing_nodes.md) - [Config overview](https://ydb.tech/docs/en/maintenance/manual/config-overview.md) - [Dynamic cluster configuration](https://ydb.tech/docs/en/maintenance/manual/dynamic-config.md) - [Cluster configuration DSL](https://ydb.tech/docs/en/maintenance/manual/dynamic-config-selectors.md) - [Temporary configurations](https://ydb.tech/docs/en/maintenance/manual/dynamic-config-volatile-config.md) - [CMS](https://ydb.tech/docs/en/maintenance/manual/cms.md) - [Changing actor system configs](https://ydb.tech/docs/en/maintenance/manual/change_actorsystem_configs.md) - [BlobDepot](https://ydb.tech/docs/en/maintenance/manual/blobdepot.md) - [BlobDepot decommit](https://ydb.tech/docs/en/maintenance/manual/blobdepot_decommit.md) - [Federated queries](https://ydb.tech/docs/en/devops/deployment-options/manual/federated-queries/index.md) - [Connector deployment](https://ydb.tech/docs/en/devops/deployment-options/manual/federated-queries/connector-deployment.md) - [Enterprise Manager](https://ydb.tech/docs/en/devops/enterprise-manager/index.md) - [Initial deployment](https://ydb.tech/docs/en/devops/enterprise-manager/initial-deployment.md) - [Observability](https://ydb.tech/docs/en/devops/observability/index.md) - [Monitoring](https://ydb.tech/docs/en/devops/observability/monitoring.md) - [Logging](https://ydb.tech/docs/en/devops/observability/logging.md) - [Minidumps](https://ydb.tech/docs/en/devops/observability/minidumps.md) - [System views](https://ydb.tech/docs/en/devops/observability/system-views.md) - [Tracing](https://ydb.tech/docs/en/reference/observability/tracing/setup.md) - [Alerting](https://ydb.tech/docs/en/devops/observability/alerting.md) - [Backup and recovery](https://ydb.tech/docs/en/devops/backup-and-recovery.md) - [For Developers](https://ydb.tech/docs/en/dev/index.md) - [Getting started](https://ydb.tech/docs/en/dev/getting-started.md) - [Streaming queries](https://ydb.tech/docs/en/dev/streaming-query/index.md) - [Common patterns](https://ydb.tech/docs/en/dev/streaming-query/patterns.md) - [Writing to Tables](https://ydb.tech/docs/en/dev/streaming-query/table-writing.md) - [Data Enrichment](https://ydb.tech/docs/en/dev/streaming-query/enrichment.md) - [Topic read and write formats](https://ydb.tech/docs/en/dev/streaming-query/streaming-query-formats.md) - [Data Delivery Guarantees](https://ydb.tech/docs/en/dev/streaming-query/guarantees.md) - [Checkpoints](https://ydb.tech/docs/en/dev/streaming-query/checkpoints.md) - [Watermarks](https://ydb.tech/docs/en/dev/streaming-query/watermarks.md) - [YQL tutorial](https://ydb.tech/docs/en/dev/yql-tutorial/index.md) - [Creating a table](https://ydb.tech/docs/en/dev/yql-tutorial/create_demo_tables.md) - [Adding data to a table](https://ydb.tech/docs/en/dev/yql-tutorial/fill_tables_with_data.md) - [Selecting data from all columns](https://ydb.tech/docs/en/dev/yql-tutorial/select_all_columns.md) - [Selecting data from specific columns](https://ydb.tech/docs/en/dev/yql-tutorial/select_specific_columns.md) - [Sorting and filtering](https://ydb.tech/docs/en/dev/yql-tutorial/basic_filter_and_sort.md) - [Data aggregation](https://ydb.tech/docs/en/dev/yql-tutorial/basic_aggregation.md) - [Additional selection criteria](https://ydb.tech/docs/en/dev/yql-tutorial/conditional_values.md) - [Joining tables with JOIN](https://ydb.tech/docs/en/dev/yql-tutorial/join_tables.md) - [Inserting and updating data with REPLACE](https://ydb.tech/docs/en/dev/yql-tutorial/replace_into.md) - [Inserting and updating data with UPSERT](https://ydb.tech/docs/en/dev/yql-tutorial/upsert_into.md) - [Inserting data with INSERT](https://ydb.tech/docs/en/dev/yql-tutorial/insert_into.md) - [Updating data with UPDATE](https://ydb.tech/docs/en/dev/yql-tutorial/update.md) - [Deleting data](https://ydb.tech/docs/en/dev/yql-tutorial/delete.md) - [Adding and deleting columns](https://ydb.tech/docs/en/dev/yql-tutorial/alter_table.md) - [Deleting a table](https://ydb.tech/docs/en/dev/yql-tutorial/delete_table.md) - [Example applications](https://ydb.tech/docs/en/dev/example-app/index.md) - [C++](https://ydb.tech/docs/en/dev/example-app/example-cpp.md) - [C# (.NET)](https://ydb.tech/docs/en/dev/example-app/example-dotnet.md) - [Go](https://ydb.tech/docs/en/dev/example-app/go/index.md) - [Java](https://ydb.tech/docs/en/dev/example-app/java/index.md) - [JavaScript](https://ydb.tech/docs/en/dev/example-app/example-js.md) - [PHP](https://ydb.tech/docs/en/dev/example-app/example-php.md) - [Python](https://ydb.tech/docs/en/dev/example-app/python/index.md) - [Rust](https://ydb.tech/docs/en/dev/example-app/rust/index.md) - [Primary keys](https://ydb.tech/docs/en/dev/primary-key/index.md) - [Row-oriented](https://ydb.tech/docs/en/dev/primary-key/row-oriented.md) - [Column-oriented](https://ydb.tech/docs/en/dev/primary-key/column-oriented.md) - [Secondary indexes](https://ydb.tech/docs/en/dev/secondary-indexes.md) - [Vector indexes](https://ydb.tech/docs/en/dev/vector-indexes.md) - [Vector index type vector_kmeans_tree](https://ydb.tech/docs/en/dev/vector-indexes-kmeans-tree-type.md) - [Query execution optimization](https://ydb.tech/docs/en/dev/query-execution-optimization/index.md) - [Using query plans for query optimization](https://ydb.tech/docs/en/dev/query-execution-optimization/query-plans-optimization.md) - [Optimizer hints](https://ydb.tech/docs/en/dev/query-execution-optimization/query-hints.md) - [Resource consumption management](https://ydb.tech/docs/en/dev/resource-consumption-management.md) - [Batch upload](https://ydb.tech/docs/en/dev/batch-upload.md) - [Paging](https://ydb.tech/docs/en/dev/paging.md) - [Timeouts](https://ydb.tech/docs/en/dev/timeouts.md) - [System views](https://ydb.tech/docs/en/dev/system-views.md) - [Change Data Capture](https://ydb.tech/docs/en/dev/cdc.md) - [Terraform](https://ydb.tech/docs/en/dev/terraform.md) - [Custom attributes](https://ydb.tech/docs/en/dev/custom-attributes.md) - [For Analysts](https://ydb.tech/docs/en/analyst/index.md) - [Quick start](https://ydb.tech/docs/en/analyst/olap_quickstart.md) - [Dataset import](https://ydb.tech/docs/en/analyst/datasets/index.md) - [Overview](https://ydb.tech/docs/en/analyst/datasets/index.md) - [Chess Position Evaluations](https://ydb.tech/docs/en/analyst/datasets/chess.md) - [Video Game Sales](https://ydb.tech/docs/en/analyst/datasets/video-games.md) - [E-Commerce Behavior Data](https://ydb.tech/docs/en/analyst/datasets/ecommerce.md) - [COVID-19 Open Research Dataset](https://ydb.tech/docs/en/analyst/datasets/covid.md) - [Netflix Movies and TV Shows](https://ydb.tech/docs/en/analyst/datasets/netflix.md) - [Animal Crossing New Horizons Catalog](https://ydb.tech/docs/en/analyst/datasets/animal-crossing.md) - [Data versioning (SCD)](https://ydb.tech/docs/en/analyst/practical-guides/scd/index.md) - [Overview](https://ydb.tech/docs/en/analyst/practical-guides/scd/index.md) - [SCD1 with TRANSFER](https://ydb.tech/docs/en/analyst/practical-guides/scd/scd1-transfer.md) - [SCD2 with TRANSFER](https://ydb.tech/docs/en/analyst/practical-guides/scd/scd2-transfer.md) - [SCD2 with merge of changes](https://ydb.tech/docs/en/analyst/practical-guides/scd/scd2-merge.md) - [Limitations](https://ydb.tech/docs/en/analyst/limitations.md) - [For Security Engineers](https://ydb.tech/docs/en/security/index.md) - [Authentication](https://ydb.tech/docs/en/security/authentication.md) - [Authorization](https://ydb.tech/docs/en/security/authorization.md) - [Initial security configuration](https://ydb.tech/docs/en/security/builtin-security.md) - [Audit log](https://ydb.tech/docs/en/security/audit-log.md) - [Encryption](https://ydb.tech/docs/en/security/encryption/index.md) - [Data at rest](https://ydb.tech/docs/en/security/encryption/data-at-rest.md) - [Data in transit](https://ydb.tech/docs/en/security/encryption/data-in-transit.md) - [Short access control notation](https://ydb.tech/docs/en/security/short-access-control-notation.md) - [For Contributors](https://ydb.tech/docs/en/contributor/index.md) - [Working on a change](https://ydb.tech/docs/en/contributor/suggest-change.md) - [Ya Make build system](https://ydb.tech/docs/en/contributor/build-ya.md) - [Releases](https://ydb.tech/docs/en/contributor/manage-releases.md) - [Documentation](https://ydb.tech/docs/en/contributor/documentation/index.md) - [Review process](https://ydb.tech/docs/en/contributor/documentation/review.md) - [Style guide](https://ydb.tech/docs/en/contributor/documentation/style-guide.md) - [Structure](https://ydb.tech/docs/en/contributor/documentation/structure.md) - [Genres](https://ydb.tech/docs/en/contributor/documentation/genres.md) - [General schema](https://ydb.tech/docs/en/contributor/general-schema.md) - [Distributed storage](https://ydb.tech/docs/en/contributor/distributed-storage.md) - [Persistent uncommitted changes](https://ydb.tech/docs/en/contributor/localdb-uncommitted-txs.md) - [Hive](https://ydb.tech/docs/en/contributor/hive.md) - [Tablet Boot Process](https://ydb.tech/docs/en/contributor/hive-booting.md) - [Locks and transaction change visibility](https://ydb.tech/docs/en/contributor/datashard-locks-and-change-visibility.md) - [Distributed transactions](https://ydb.tech/docs/en/contributor/datashard-distributed-txs.md) - [Configuration V2](https://ydb.tech/docs/en/contributor/configuration-v2.md) - [Bridge mode](https://ydb.tech/docs/en/contributor/bridge.md) - [Spilling Service](https://ydb.tech/docs/en/contributor/spilling-service.md) - [Testing with load actors](https://ydb.tech/docs/en/contributor/load-actors-overview.md) - [KqpLoad](https://ydb.tech/docs/en/contributor/load-actors-kqp.md) - [KeyValueLoad](https://ydb.tech/docs/en/contributor/load-actors-key-value.md) - [StorageLoad](https://ydb.tech/docs/en/contributor/load-actors-storage.md) - [VDiskLoad](https://ydb.tech/docs/en/contributor/load-actors-vdisk.md) - [PDiskWriteLoad](https://ydb.tech/docs/en/contributor/load-actors-pdisk-write.md) - [PDiskReadLoad](https://ydb.tech/docs/en/contributor/load-actors-pdisk-read.md) - [PDiskLogLoad](https://ydb.tech/docs/en/contributor/load-actors-pdisk-log.md) - [MemoryLoad](https://ydb.tech/docs/en/contributor/load-actors-memory.md) - [Stop](https://ydb.tech/docs/en/contributor/load-actors-stop.md) - [Reference](https://ydb.tech/docs/en/reference/index.md) - [YQL](https://ydb.tech/docs/en/yql/reference/index.md) - [Overview](https://ydb.tech/docs/en/yql/reference/index.md) - [Overview](https://ydb.tech/docs/en/yql/reference/types/index.md) - [Simple](https://ydb.tech/docs/en/yql/reference/types/primitive.md) - [Serial](https://ydb.tech/docs/en/yql/reference/types/serial.md) - [Optional](https://ydb.tech/docs/en/yql/reference/types/optional.md) - [Containers](https://ydb.tech/docs/en/yql/reference/types/containers.md) - [Special](https://ydb.tech/docs/en/yql/reference/types/special.md) - [Type casting](https://ydb.tech/docs/en/yql/reference/types/cast.md) - [Text representation of data types](https://ydb.tech/docs/en/yql/reference/types/type_string.md) - [JSON](https://ydb.tech/docs/en/yql/reference/types/json.md) - [YSON](https://ydb.tech/docs/en/yql/reference/types/yson.md) - [Overview](https://ydb.tech/docs/en/yql/reference/syntax/index.md) - [Lexical structure](https://ydb.tech/docs/en/yql/reference/syntax/lexer.md) - [Expressions](https://ydb.tech/docs/en/yql/reference/syntax/expressions.md) - [ACTION](https://ydb.tech/docs/en/yql/reference/syntax/action.md) - [ALTER ASYNC REPLICATION](https://ydb.tech/docs/en/yql/reference/syntax/alter-async-replication.md) - [Overview](https://ydb.tech/docs/en/yql/reference/syntax/alter_database/index.md) - [OWNER TO](https://ydb.tech/docs/en/yql/reference/syntax/alter_database/owner.md) - [SET](https://ydb.tech/docs/en/yql/reference/syntax/alter_database/settings.md) - [ALTER GROUP](https://ydb.tech/docs/en/yql/reference/syntax/alter-group.md) - [Overview](https://ydb.tech/docs/en/yql/reference/syntax/alter_table/index.md) - [INDEX](https://ydb.tech/docs/en/yql/reference/syntax/alter_table/indexes.md) - [COLUMN](https://ydb.tech/docs/en/yql/reference/syntax/alter_table/columns.md) - [SET](https://ydb.tech/docs/en/yql/reference/syntax/alter_table/set.md) - [CHANGEFEED](https://ydb.tech/docs/en/yql/reference/syntax/alter_table/changefeed.md) - [RENAME](https://ydb.tech/docs/en/yql/reference/syntax/alter_table/rename.md) - [FAMILY](https://ydb.tech/docs/en/yql/reference/syntax/alter_table/family.md) - [ALTER TRANSFER](https://ydb.tech/docs/en/yql/reference/syntax/alter-transfer.md) - [ALTER SECRET](https://ydb.tech/docs/en/yql/reference/syntax/alter-secret.md) - [ALTER VIEW](https://ydb.tech/docs/en/yql/reference/syntax/alter-view.md) - [ALTER TOPIC](https://ydb.tech/docs/en/yql/reference/syntax/alter-topic.md) - [ALTER STREAMING QUERY](https://ydb.tech/docs/en/yql/reference/syntax/alter-streaming-query.md) - [ALTER USER](https://ydb.tech/docs/en/yql/reference/syntax/alter-user.md) - [ALTER RESOURCE POOL](https://ydb.tech/docs/en/yql/reference/syntax/alter-resource-pool.md) - [ALTER RESOURCE POOL CLASSIFIER](https://ydb.tech/docs/en/yql/reference/syntax/alter-resource-pool-classifier.md) - [ANALYZE](https://ydb.tech/docs/en/yql/reference/syntax/analyze.md) - [BATCH DELETE](https://ydb.tech/docs/en/yql/reference/syntax/batch-delete.md) - [BATCH UPDATE](https://ydb.tech/docs/en/yql/reference/syntax/batch-update.md) - [BACKUP](https://ydb.tech/docs/en/yql/reference/syntax/backup.md) - [CREATE ASYNC REPLICATION](https://ydb.tech/docs/en/yql/reference/syntax/create-async-replication.md) - [CREATE BACKUP COLLECTION](https://ydb.tech/docs/en/yql/reference/syntax/create-backup-collection.md) - [CREATE GROUP](https://ydb.tech/docs/en/yql/reference/syntax/create-group.md) - [CREATE EXTERNAL DATA SOURCE](https://ydb.tech/docs/en/yql/reference/syntax/create-external-data-source.md) - [CREATE STREAMING QUERY](https://ydb.tech/docs/en/yql/reference/syntax/create-streaming-query.md) - [CREATE OBJECT TYPE SECRET](https://ydb.tech/docs/en/yql/reference/syntax/create-object-type-secret.md) - [CREATE OBJECT TYPE SECRET_ACCESS](https://ydb.tech/docs/en/yql/reference/syntax/create-object-type-secret-access.md) - [CREATE RESOURCE POOL](https://ydb.tech/docs/en/yql/reference/syntax/create-resource-pool.md) - [CREATE RESOURCE POOL CLASSIFIER](https://ydb.tech/docs/en/yql/reference/syntax/create-resource-pool-classifier.md) - [CREATE SECRET](https://ydb.tech/docs/en/yql/reference/syntax/create-secret.md) - [Overview](https://ydb.tech/docs/en/yql/reference/syntax/create_table/index.md) - [SECONDARY INDEX](https://ydb.tech/docs/en/yql/reference/syntax/create_table/secondary_index.md) - [VECTOR INDEX](https://ydb.tech/docs/en/yql/reference/syntax/create_table/vector_index.md) - [FAMILY](https://ydb.tech/docs/en/yql/reference/syntax/create_table/family.md) - [WITH](https://ydb.tech/docs/en/yql/reference/syntax/create_table/with.md) - [AS SELECT](https://ydb.tech/docs/en/yql/reference/syntax/create_table/as_select.md) - [CREATE TRANSFER](https://ydb.tech/docs/en/yql/reference/syntax/create-transfer.md) - [CREATE VIEW](https://ydb.tech/docs/en/yql/reference/syntax/create-view.md) - [CREATE TOPIC](https://ydb.tech/docs/en/yql/reference/syntax/create-topic.md) - [CREATE USER](https://ydb.tech/docs/en/yql/reference/syntax/create-user.md) - [COMMIT](https://ydb.tech/docs/en/yql/reference/syntax/commit.md) - [DECLARE](https://ydb.tech/docs/en/yql/reference/syntax/declare.md) - [DELETE](https://ydb.tech/docs/en/yql/reference/syntax/delete.md) - [DROP ASYNC REPLICATION](https://ydb.tech/docs/en/yql/reference/syntax/drop-async-replication.md) - [DROP BACKUP COLLECTION](https://ydb.tech/docs/en/yql/reference/syntax/drop-backup-collection.md) - [DROP GROUP](https://ydb.tech/docs/en/yql/reference/syntax/drop-group.md) - [DROP EXTERNAL DATA SOURCE](https://ydb.tech/docs/en/yql/reference/syntax/drop-external-data-source.md) - [DROP EXTERNAL TABLE](https://ydb.tech/docs/en/yql/reference/syntax/drop-external-table.md) - [DROP STREAMING QUERY](https://ydb.tech/docs/en/yql/reference/syntax/drop-streaming-query.md) - [DROP OBJECT TYPE SECRET](https://ydb.tech/docs/en/yql/reference/syntax/drop-object-type-secret.md) - [DROP OBJECT TYPE SECRET_ACCESS](https://ydb.tech/docs/en/yql/reference/syntax/drop-object-type-secret-access.md) - [DROP TABLE](https://ydb.tech/docs/en/yql/reference/syntax/drop_table.md) - [DROP SECRET](https://ydb.tech/docs/en/yql/reference/syntax/drop-secret.md) - [DROP TRANSFER](https://ydb.tech/docs/en/yql/reference/syntax/drop-transfer.md) - [DROP TOPIC](https://ydb.tech/docs/en/yql/reference/syntax/drop-topic.md) - [DROP VIEW](https://ydb.tech/docs/en/yql/reference/syntax/drop-view.md) - [DROP RESOURCE POOL](https://ydb.tech/docs/en/yql/reference/syntax/drop-resource-pool.md) - [DROP RESOURCE POOL CLASSIFIER](https://ydb.tech/docs/en/yql/reference/syntax/drop-resource-pool-classifier.md) - [DROP USER](https://ydb.tech/docs/en/yql/reference/syntax/drop-user.md) - [GRANT](https://ydb.tech/docs/en/yql/reference/syntax/grant.md) - [INSERT](https://ydb.tech/docs/en/yql/reference/syntax/insert_into.md) - [INTO RESULT](https://ydb.tech/docs/en/yql/reference/syntax/into_result.md) - [PRAGMA](https://ydb.tech/docs/en/yql/reference/syntax/pragma.md) - [REPLACE](https://ydb.tech/docs/en/yql/reference/syntax/replace_into.md) - [REVOKE](https://ydb.tech/docs/en/yql/reference/syntax/revoke.md) - [RESTORE](https://ydb.tech/docs/en/yql/reference/syntax/restore-backup-collection.md) - [Overview](https://ydb.tech/docs/en/yql/reference/syntax/select/index.md) - [FROM](https://ydb.tech/docs/en/yql/reference/syntax/select/from.md) - [FROM AS_TABLE](https://ydb.tech/docs/en/yql/reference/syntax/select/from_as_table.md) - [FROM SELECT](https://ydb.tech/docs/en/yql/reference/syntax/select/from_select.md) - [FLATTEN](https://ydb.tech/docs/en/yql/reference/syntax/select/flatten.md) - [GROUP BY](https://ydb.tech/docs/en/yql/reference/syntax/select/group-by.md) - [JOIN](https://ydb.tech/docs/en/yql/reference/syntax/select/join.md) - [WINDOW](https://ydb.tech/docs/en/yql/reference/syntax/select/window.md) - [DISTINCT](https://ydb.tech/docs/en/yql/reference/syntax/select/distinct.md) - [UNIQUE DISTINCT](https://ydb.tech/docs/en/yql/reference/syntax/select/unique_distinct_hints.md) - [UNION](https://ydb.tech/docs/en/yql/reference/syntax/select/union.md) - [VIEW SECONDARY INDEX](https://ydb.tech/docs/en/yql/reference/syntax/select/secondary_index.md) - [VIEW VECTOR INDEX](https://ydb.tech/docs/en/yql/reference/syntax/select/vector_index.md) - [WITH](https://ydb.tech/docs/en/yql/reference/syntax/select/with.md) - [WITHOUT](https://ydb.tech/docs/en/yql/reference/syntax/select/without.md) - [WHERE](https://ydb.tech/docs/en/yql/reference/syntax/select/where.md) - [ORDER BY](https://ydb.tech/docs/en/yql/reference/syntax/select/order_by.md) - [ASSUME ORDER BY](https://ydb.tech/docs/en/yql/reference/syntax/select/assume_order_by.md) - [LIMIT OFFSET](https://ydb.tech/docs/en/yql/reference/syntax/select/limit_offset.md) - [MATCH_RECOGNIZE](https://ydb.tech/docs/en/yql/reference/syntax/select/match_recognize.md) - [STREAMING](https://ydb.tech/docs/en/yql/reference/syntax/select/streaming.md) - [SHOW CREATE](https://ydb.tech/docs/en/yql/reference/syntax/show_create.md) - [TRUNCATE TABLE](https://ydb.tech/docs/en/yql/reference/syntax/truncate-table.md) - [UPDATE](https://ydb.tech/docs/en/yql/reference/syntax/update.md) - [UPSERT](https://ydb.tech/docs/en/yql/reference/syntax/upsert_into.md) - [UPSERT OBJECT TYPE SECRET](https://ydb.tech/docs/en/yql/reference/syntax/upsert-object-type-secret.md) - [VALUES](https://ydb.tech/docs/en/yql/reference/syntax/values.md) - [Unsupported statements](https://ydb.tech/docs/en/yql/reference/syntax/not_yet_supported.md) - [Overview](https://ydb.tech/docs/en/yql/reference/builtins/index.md) - [Basic](https://ydb.tech/docs/en/yql/reference/builtins/basic.md) - [Aggregate](https://ydb.tech/docs/en/yql/reference/builtins/aggregation.md) - [Window](https://ydb.tech/docs/en/yql/reference/builtins/window.md) - [For lists](https://ydb.tech/docs/en/yql/reference/builtins/list.md) - [For dictionaries](https://ydb.tech/docs/en/yql/reference/builtins/dict.md) - [For structures](https://ydb.tech/docs/en/yql/reference/builtins/struct.md) - [For types](https://ydb.tech/docs/en/yql/reference/builtins/types.md) - [For code generation](https://ydb.tech/docs/en/yql/reference/builtins/codegen.md) - [For JSON](https://ydb.tech/docs/en/yql/reference/builtins/json.md) - [Overview](https://ydb.tech/docs/en/yql/reference/udf/list/index.md) - [DateTime](https://ydb.tech/docs/en/yql/reference/udf/list/datetime.md) - [Digest](https://ydb.tech/docs/en/yql/reference/udf/list/digest.md) - [Histogram](https://ydb.tech/docs/en/yql/reference/udf/list/histogram.md) - [Hyperscan](https://ydb.tech/docs/en/yql/reference/udf/list/hyperscan.md) - [Ip](https://ydb.tech/docs/en/yql/reference/udf/list/ip.md) - [Knn](https://ydb.tech/docs/en/yql/reference/udf/list/knn.md) - [Math](https://ydb.tech/docs/en/yql/reference/udf/list/math.md) - [Pcre](https://ydb.tech/docs/en/yql/reference/udf/list/pcre.md) - [Pire](https://ydb.tech/docs/en/yql/reference/udf/list/pire.md) - [Re2](https://ydb.tech/docs/en/yql/reference/udf/list/re2.md) - [Roaring](https://ydb.tech/docs/en/yql/reference/udf/list/roaring.md) - [String](https://ydb.tech/docs/en/yql/reference/udf/list/string.md) - [Unicode](https://ydb.tech/docs/en/yql/reference/udf/list/unicode.md) - [Url](https://ydb.tech/docs/en/yql/reference/udf/list/url.md) - [Yson](https://ydb.tech/docs/en/yql/reference/udf/list/yson.md) - [Query plans](https://ydb.tech/docs/en/yql/query_plans.md) - [Embedded UI](https://ydb.tech/docs/en/reference/embedded-ui/index.md) - [Overview](https://ydb.tech/docs/en/reference/embedded-ui/index.md) - [Overview](https://ydb.tech/docs/en/reference/embedded-ui/overview.md) - [YDB Monitoring](https://ydb.tech/docs/en/reference/embedded-ui/ydb-monitoring.md) - [Hive web-viewer](https://ydb.tech/docs/en/reference/embedded-ui/hive.md) - [Connections overview](https://ydb.tech/docs/en/reference/embedded-ui/interconnect-overview.md) - [Logs](https://ydb.tech/docs/en/reference/embedded-ui/logs.md) - [Charts](https://ydb.tech/docs/en/reference/embedded-ui/charts.md) - [Integrations](https://ydb.tech/docs/en/integrations/index.md) - [Graphical user interfaces](https://ydb.tech/docs/en/integrations/gui/index.md) - [DBeaver](https://ydb.tech/docs/en/integrations/gui/dbeaver.md) - [DBeaver Plugin](https://ydb.tech/docs/en/integrations/gui/dbeaver-plugin.md) - [VS Code](https://ydb.tech/docs/en/integrations/gui/vscode-plugin.md) - [DataGrip](https://ydb.tech/docs/en/integrations/gui/datagrip.md) - [Jupyter Notebook](https://ydb.tech/docs/en/integrations/gui/jupyter.md) - [Data visualization](https://ydb.tech/docs/en/integrations/visualization/index.md) - [Apache Superset](https://ydb.tech/docs/en/integrations/visualization/superset.md) - [DataLens](https://ydb.tech/docs/en/integrations/visualization/datalens.md) - [Grafana data source](https://ydb.tech/docs/en/integrations/visualization/grafana.md) - [Orchestration](https://ydb.tech/docs/en/integrations/orchestration/index.md) - [Apache Airflow™](https://ydb.tech/docs/en/integrations/orchestration/airflow.md) - [Data ingestion](https://ydb.tech/docs/en/integrations/ingestion/index.md) - [Log records collection using FluentBit](https://ydb.tech/docs/en/integrations/ingestion/fluent-bit.md) - [Logstash plugins](https://ydb.tech/docs/en/integrations/ingestion/logstash.md) - [Data migrations](https://ydb.tech/docs/en/integrations/data-migration/index.md) - [Importing from JDBC data sources](https://ydb.tech/docs/en/integrations/data-migration/import-jdbc.md) - [Import from MySQL](https://ydb.tech/docs/en/integrations/data-migration/import-mysql.md) - [Schema migrations](https://ydb.tech/docs/en/integrations/migration/index.md) - [dbt](https://ydb.tech/docs/en/integrations/migration/dbt.md) - [Flyway](https://ydb.tech/docs/en/integrations/migration/flyway.md) - [goose](https://ydb.tech/docs/en/integrations/migration/goose.md) - [Liquibase](https://ydb.tech/docs/en/integrations/migration/liquibase.md) - [Query engines](https://ydb.tech/docs/en/integrations/query-engines/index.md) - [Apache Spark™](https://ydb.tech/docs/en/integrations/query-engines/spark.md) - [Object–relational mapping](https://ydb.tech/docs/en/integrations/orm/index.md) - [Spring Data JDBC](https://ydb.tech/docs/en/integrations/orm/spring-data-jdbc.md) - [Hibernate](https://ydb.tech/docs/en/integrations/orm/hibernate.md) - [JOOQ](https://ydb.tech/docs/en/integrations/orm/jooq.md) - [Dapper](https://ydb.tech/docs/en/integrations/orm/dapper.md) - [Entity Framework](https://ydb.tech/docs/en/integrations/orm/entity-framework.md) - [Linq To Db](https://ydb.tech/docs/en/integrations/orm/linq2db.md) - [SQLAlchemy](https://ydb.tech/docs/en/integrations/orm/sqlalchemy.md) - [Django](https://ydb.tech/docs/en/integrations/orm/django.md) - [Vector search](https://ydb.tech/docs/en/integrations/vectorsearch/index.md) - [LangChain](https://ydb.tech/docs/en/integrations/vectorsearch/langchain.md) - [Mem0](https://ydb.tech/docs/en/integrations/vectorsearch/mem0.md) - [SQL dialect conversion](https://ydb.tech/docs/en/integrations/sql-translation/index.md) - [SQLGlot](https://ydb.tech/docs/en/integrations/sql-translation/sqlglot.md) - [SQL dialect converter to YQL](https://ydb.tech/docs/en/integrations/sql-translation/sql-dialect-converter.md) - [YDB CLI](https://ydb.tech/docs/en/reference/ydb-cli/index.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-cli/index.md) - [Installation](https://ydb.tech/docs/en/reference/ydb-cli/install.md) - [Connecting to and authenticating with a database](https://ydb.tech/docs/en/reference/ydb-cli/connect.md) - [All commands in alphabetical order](https://ydb.tech/docs/en/reference/ydb-cli/commands.md) - [Service commands](https://ydb.tech/docs/en/reference/ydb-cli/commands/service.md) - [Global options](https://ydb.tech/docs/en/reference/ydb-cli/commands/global-options.md) - [table attribute add](https://ydb.tech/docs/en/reference/ydb-cli/table-attribute-add.md) - [table attribute drop](https://ydb.tech/docs/en/reference/ydb-cli/table-attribute-drop.md) - [List of objects](https://ydb.tech/docs/en/reference/ydb-cli/commands/scheme-ls.md) - [Information about the object](https://ydb.tech/docs/en/reference/ydb-cli/commands/scheme-describe.md) - [Permissions](https://ydb.tech/docs/en/reference/ydb-cli/commands/scheme-permissions.md) - [Directories](https://ydb.tech/docs/en/reference/ydb-cli/commands/dir.md) - [Secondary indexes](https://ydb.tech/docs/en/reference/ydb-cli/commands/secondary_index.md) - [Copying tables](https://ydb.tech/docs/en/reference/ydb-cli/tools-copy.md) - [Renaming tables](https://ydb.tech/docs/en/reference/ydb-cli/commands/tools/rename.md) - [Setting TTL parameters](https://ydb.tech/docs/en/reference/ydb-cli/table-ttl-set.md) - [Resetting TTL parameters](https://ydb.tech/docs/en/reference/ydb-cli/table-ttl-reset.md) - [Deleting a table](https://ydb.tech/docs/en/reference/ydb-cli/table-drop.md) - [Generating CREATE TABLE from a file](https://ydb.tech/docs/en/reference/ydb-cli/tools-infer.md) - [Getting a query execution plan and AST](https://ydb.tech/docs/en/reference/ydb-cli/commands/explain-plan.md) - [Streaming table reads](https://ydb.tech/docs/en/reference/ydb-cli/commands/readtable.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-cli/export-import/index.md) - [File structure of data export](https://ydb.tech/docs/en/reference/ydb-cli/export-import/file-structure.md) - [Exporting data to the file system](https://ydb.tech/docs/en/reference/ydb-cli/export-import/tools-dump.md) - [Importing data from the file system](https://ydb.tech/docs/en/reference/ydb-cli/export-import/tools-restore.md) - [Connecting to and authenticating with S3](https://ydb.tech/docs/en/reference/ydb-cli/export-import/auth-s3.md) - [Exporting data to S3](https://ydb.tech/docs/en/reference/ydb-cli/export-import/export-s3.md) - [Importing data from S3](https://ydb.tech/docs/en/reference/ydb-cli/export-import/import-s3.md) - [Importing data from a file to an existing table](https://ydb.tech/docs/en/reference/ydb-cli/export-import/import-file.md) - [Backup collections](https://ydb.tech/docs/en/devops/backup-and-recovery.md) - [Commands for topics](https://ydb.tech/docs/en/reference/ydb-cli/topic-overview.md) - [Creating a topic](https://ydb.tech/docs/en/reference/ydb-cli/topic-create.md) - [Updating a topic](https://ydb.tech/docs/en/reference/ydb-cli/topic-alter.md) - [Deleting a topic](https://ydb.tech/docs/en/reference/ydb-cli/topic-drop.md) - [Adding a topic consumer](https://ydb.tech/docs/en/reference/ydb-cli/topic-consumer-add.md) - [Deleting a topic consumer](https://ydb.tech/docs/en/reference/ydb-cli/topic-consumer-drop.md) - [Saving a consumer offset](https://ydb.tech/docs/en/reference/ydb-cli/topic-consumer-offset-commit.md) - [Reading messages from a topic](https://ydb.tech/docs/en/reference/ydb-cli/topic-read.md) - [Writing messages to a topic](https://ydb.tech/docs/en/reference/ydb-cli/topic-write.md) - [Message pipeline processing](https://ydb.tech/docs/en/reference/ydb-cli/topic-pipeline.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-cli/yql-query-overview.md) - [Query execution](https://ydb.tech/docs/en/reference/ydb-cli/sql.md) - [Parameterized query execution](https://ydb.tech/docs/en/reference/ydb-cli/parameterized-query-execution.md) - [Interactive query execution mode](https://ydb.tech/docs/en/reference/ydb-cli/interactive-cli.md) - [Scan queries](https://ydb.tech/docs/en/reference/ydb-cli/scan-query.md) - [Running a script (with streaming support)](https://ydb.tech/docs/en/reference/ydb-cli/yql.md) - [Running a script](https://ydb.tech/docs/en/reference/ydb-cli/scripting-yql.md) - [Running a query](https://ydb.tech/docs/en/reference/ydb-cli/table-query-execute.md) - [Running parameterized queries](https://ydb.tech/docs/en/reference/ydb-cli/parameterized-queries-cli.md) - [Getting a list of long-running operations](https://ydb.tech/docs/en/reference/ydb-cli/operation-list.md) - [Obtaining the status of long-running operations](https://ydb.tech/docs/en/reference/ydb-cli/operation-get.md) - [Canceling long-running operations](https://ydb.tech/docs/en/reference/ydb-cli/operation-cancel.md) - [Deleting long-running operations from the list](https://ydb.tech/docs/en/reference/ydb-cli/operation-forget.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-cli/profile/index.md) - [Creating and updating profile](https://ydb.tech/docs/en/reference/ydb-cli/profile/create.md) - [Using a profile in requests](https://ydb.tech/docs/en/reference/ydb-cli/profile/use.md) - [Getting profile information](https://ydb.tech/docs/en/reference/ydb-cli/profile/list-and-get.md) - [Deleting a profile](https://ydb.tech/docs/en/reference/ydb-cli/profile/delete.md) - [Activated profile](https://ydb.tech/docs/en/reference/ydb-cli/profile/activate.md) - [List of endpoints](https://ydb.tech/docs/en/reference/ydb-cli/commands/discovery-list.md) - [Authentication](https://ydb.tech/docs/en/reference/ydb-cli/commands/discovery-whoami.md) - [Displaying connection parameters](https://ydb.tech/docs/en/reference/ydb-cli/commands/config-info.md) - [Getting the YDB CLI version](https://ydb.tech/docs/en/reference/ydb-cli/version.md) - [Health check](https://ydb.tech/docs/en/reference/ydb-cli/commands/monitoring-healthcheck.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-cli/commands/workload/index.md) - [Stock load](https://ydb.tech/docs/en/reference/ydb-cli/commands/workload/stock.md) - [ClickBench load](https://ydb.tech/docs/en/reference/ydb-cli/workload-click-bench.md) - [Key-Value load](https://ydb.tech/docs/en/reference/ydb-cli/workload-kv.md) - [Topic load](https://ydb.tech/docs/en/reference/ydb-cli/workload-topic.md) - [Transfer load](https://ydb.tech/docs/en/reference/ydb-cli/workload-transfer.md) - [TPC-C load](https://ydb.tech/docs/en/reference/ydb-cli/workload-tpcc.md) - [TPC-H load](https://ydb.tech/docs/en/reference/ydb-cli/workload-tpch.md) - [TPC-DS load](https://ydb.tech/docs/en/reference/ydb-cli/workload-tpcds.md) - [Query load](https://ydb.tech/docs/en/reference/ydb-cli/workload-query.md) - [Managing configuration](https://ydb.tech/docs/en/reference/ydb-cli/configs.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-cli/commands/configuration/index.md) - [Cluster commands](https://ydb.tech/docs/en/reference/ydb-cli/commands/configuration/cluster/index.md) - [Generate dynamic configuration](https://ydb.tech/docs/en/reference/ydb-cli/commands/configuration/cluster/generate.md) - [Fetch current dynamic configuration](https://ydb.tech/docs/en/reference/ydb-cli/commands/configuration/cluster/fetch.md) - [Replace dynamic configuration](https://ydb.tech/docs/en/reference/ydb-cli/commands/configuration/cluster/replace.md) - [Node commands](https://ydb.tech/docs/en/reference/ydb-cli/commands/configuration/node/index.md) - [Initialize config directory](https://ydb.tech/docs/en/reference/ydb-cli/commands/configuration/node/init.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-cli/commands/bridge/index.md) - [ydb admin cluster bridge list](https://ydb.tech/docs/en/reference/ydb-cli/commands/bridge/list.md) - [ydb admin cluster bridge switchover](https://ydb.tech/docs/en/reference/ydb-cli/commands/bridge/switchover.md) - [ydb admin cluster bridge failover](https://ydb.tech/docs/en/reference/ydb-cli/commands/bridge/failover.md) - [ydb admin cluster bridge takedown](https://ydb.tech/docs/en/reference/ydb-cli/commands/bridge/takedown.md) - [ydb admin cluster bridge rejoin](https://ydb.tech/docs/en/reference/ydb-cli/commands/bridge/rejoin.md) - [YDB Native SDK](https://ydb.tech/docs/en/reference/ydb-sdk/index.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-sdk/index.md) - [Installation](https://ydb.tech/docs/en/reference/ydb-sdk/install.md) - [Authentication](https://ydb.tech/docs/en/reference/ydb-sdk/auth.md) - [Parameterized queries](https://ydb.tech/docs/en/reference/ydb-sdk/parameterized_queries.md) - [Working with topics](https://ydb.tech/docs/en/reference/ydb-sdk/topic.md) - [Working with coordination nodes](https://ydb.tech/docs/en/reference/ydb-sdk/coordination.md) - [Handling errors in the API](https://ydb.tech/docs/en/reference/ydb-sdk/error_handling.md) - [YDB server status codes](https://ydb.tech/docs/en/reference/ydb-sdk/ydb-status-codes.md) - [gRPC status codes](https://ydb.tech/docs/en/reference/ydb-sdk/grpc-status-codes.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-sdk/overview-grpc-api.md) - [gRPC headers](https://ydb.tech/docs/en/reference/ydb-sdk/grpc-headers.md) - [Health Check API](https://ydb.tech/docs/en/reference/ydb-sdk/health-check-api.md) - [Comparison of SDK features](https://ydb.tech/docs/en/reference/ydb-sdk/feature-parity.md) - [Languages and APIs](https://ydb.tech/docs/en/reference/languages-and-apis/index.md) - [ADO.NET](https://ydb.tech/docs/en/reference/languages-and-apis/ado-net/index.md) - [Getting Started](https://ydb.tech/docs/en/reference/languages-and-apis/ado-net/getting-started.md) - [Installation](https://ydb.tech/docs/en/reference/languages-and-apis/ado-net/installation.md) - [Basic Usage](https://ydb.tech/docs/en/reference/languages-and-apis/ado-net/basic-usage.md) - [Connection Parameters](https://ydb.tech/docs/en/reference/languages-and-apis/ado-net/connection-parameters.md) - [Type Mapping](https://ydb.tech/docs/en/reference/languages-and-apis/ado-net/type-mapping.md) - [Connect to Yandex Cloud](https://ydb.tech/docs/en/reference/languages-and-apis/ado-net/yandex-cloud.md) - [JDBC driver](https://ydb.tech/docs/en/reference/languages-and-apis/jdbc-driver/index.md) - [Quick start](https://ydb.tech/docs/en/reference/languages-and-apis/jdbc-driver/quickstart.md) - [Using with Maven](https://ydb.tech/docs/en/reference/languages-and-apis/jdbc-driver/maven.md) - [Authentication modes](https://ydb.tech/docs/en/reference/languages-and-apis/jdbc-driver/authentication.md) - [Properties](https://ydb.tech/docs/en/reference/languages-and-apis/jdbc-driver/properties.md) - [Building](https://ydb.tech/docs/en/reference/languages-and-apis/jdbc-driver/building.md) - [Model Context Protocol](https://ydb.tech/docs/en/reference/languages-and-apis/mcp/index.md) - [Kafka API](https://ydb.tech/docs/en/reference/kafka-api/index.md) - [Overview](https://ydb.tech/docs/en/reference/kafka-api/index.md) - [Authentication](https://ydb.tech/docs/en/reference/kafka-api/auth.md) - [Usage examples](https://ydb.tech/docs/en/reference/kafka-api/examples.md) - [Overview](https://ydb.tech/docs/en/reference/kafka-api/connect/index.md) - [Kafka Connect setup. A step-by-step guide](https://ydb.tech/docs/en/reference/kafka-api/connect/connect-step-by-step.md) - [Examples of connector configuration](https://ydb.tech/docs/en/reference/kafka-api/connect/connect-examples.md) - [Constraints](https://ydb.tech/docs/en/reference/kafka-api/constraints.md) - [Configuration](https://ydb.tech/docs/en/reference/configuration/index.md) - [actor_system_config](https://ydb.tech/docs/en/reference/configuration/actor_system_config.md) - [auth_config](https://ydb.tech/docs/en/reference/configuration/auth_config.md) - [blob_storage_config](https://ydb.tech/docs/en/reference/configuration/blob_storage_config.md) - [bridge_config](https://ydb.tech/docs/en/reference/configuration/bridge_config.md) - [client_certificate_authorization](https://ydb.tech/docs/en/reference/configuration/client_certificate_authorization.md) - [cms_config](https://ydb.tech/docs/en/reference/configuration/cms_config.md) - [domains_config](https://ydb.tech/docs/en/reference/configuration/domains_config.md) - [feature_flags](https://ydb.tech/docs/en/reference/configuration/feature_flags.md) - [query_service_config](https://ydb.tech/docs/en/reference/configuration/query_service_config.md) - [healthcheck_config](https://ydb.tech/docs/en/reference/configuration/healthcheck_config.md) - [hive_config](https://ydb.tech/docs/en/reference/configuration/hive.md) - [host_configs](https://ydb.tech/docs/en/reference/configuration/host_configs.md) - [hosts](https://ydb.tech/docs/en/reference/configuration/hosts.md) - [kafka_proxy_config](https://ydb.tech/docs/en/reference/configuration/kafka.md) - [log_config](https://ydb.tech/docs/en/reference/configuration/log_config.md) - [memory_controller_config](https://ydb.tech/docs/en/reference/configuration/memory_controller_config.md) - [node_broker_config](https://ydb.tech/docs/en/reference/configuration/node_broker_config.md) - [resource_broker_config](https://ydb.tech/docs/en/reference/configuration/resource_broker_config.md) - [security_config](https://ydb.tech/docs/en/reference/configuration/security_config.md) - [tls](https://ydb.tech/docs/en/reference/configuration/tls.md) - [table_service_config](https://ydb.tech/docs/en/reference/configuration/table_service_config.md) - [tli_config](https://ydb.tech/docs/en/reference/configuration/tli_config.md) - [Observability](https://ydb.tech/docs/en/reference/observability/index.md) - [Metrics reference](https://ydb.tech/docs/en/reference/observability/metrics/index.md) - [Grafana dashboards](https://ydb.tech/docs/en/reference/observability/metrics/grafana-dashboards.md) - [Setup](https://ydb.tech/docs/en/reference/observability/tracing/setup.md) - [External traces](https://ydb.tech/docs/en/reference/observability/tracing/external-traces.md) - [YDB DStool](https://ydb.tech/docs/en/reference/ydb-dstool/index.md) - [Overview](https://ydb.tech/docs/en/reference/ydb-dstool/index.md) - [Installation](https://ydb.tech/docs/en/reference/ydb-dstool/install.md) - [Global options](https://ydb.tech/docs/en/reference/ydb-dstool/global-options.md) - [Device list](https://ydb.tech/docs/en/reference/ydb-dstool/device-list.md) - [ydbops](https://ydb.tech/docs/en/reference/ydbops/index.md) - [Overview](https://ydb.tech/docs/en/reference/ydbops/index.md) - [Installation](https://ydb.tech/docs/en/reference/ydbops/install.md) - [Configuration](https://ydb.tech/docs/en/reference/ydbops/configuration.md) - [Cluster restart scenario](https://ydb.tech/docs/en/reference/ydbops/rolling-restart-scenario.md) - [Reference](https://ydb.tech/docs/en/reference/ydbops/reference.md) - [Docker](https://ydb.tech/docs/en/reference/docker/index.md) - [Tag naming](https://ydb.tech/docs/en/reference/docker/tags.md) - [Installation](https://ydb.tech/docs/en/reference/docker/prerequisites.md) - [Start](https://ydb.tech/docs/en/reference/docker/start.md) - [Configuration](https://ydb.tech/docs/en/reference/docker/configuration.md) - [Init scripts](https://ydb.tech/docs/en/reference/docker/init-scripts.md) - [Cleanup](https://ydb.tech/docs/en/reference/docker/cleanup.md) - [PostgreSQL compatibility (removed)](https://ydb.tech/docs/en/postgresql/intro.md) - [PostgreSQL compatibility (removed)](https://ydb.tech/docs/en/postgresql/intro.md) - [Recipes](https://ydb.tech/docs/en/recipes/index.md) - [Backup collections recipes](https://ydb.tech/docs/en/recipes/backup-collections/index.md) - [Getting started](https://ydb.tech/docs/en/recipes/backup-collections/getting-started.md) - [Multi-environment setup](https://ydb.tech/docs/en/recipes/backup-collections/multi-environment-setup.md) - [Microservices backup strategy](https://ydb.tech/docs/en/recipes/backup-collections/microservices-backup-strategy.md) - [Exporting to external storage](https://ydb.tech/docs/en/recipes/backup-collections/exporting-to-external-storage.md) - [Importing and restoring](https://ydb.tech/docs/en/recipes/backup-collections/importing-and-restoring.md) - [Maintenance and cleanup](https://ydb.tech/docs/en/recipes/backup-collections/maintenance-and-cleanup.md) - [Validation and testing](https://ydb.tech/docs/en/recipes/backup-collections/validation-and-testing.md) - [Overview](https://ydb.tech/docs/en/recipes/ydb-sdk/index.md) - [Initialize the driver](https://ydb.tech/docs/en/recipes/ydb-sdk/init.md) - [Overview](https://ydb.tech/docs/en/recipes/ydb-sdk/auth.md) - [Using a token](https://ydb.tech/docs/en/recipes/ydb-sdk/auth-access-token.md) - [Anonymous](https://ydb.tech/docs/en/recipes/ydb-sdk/auth-anonymous.md) - [Service account file](https://ydb.tech/docs/en/recipes/ydb-sdk/auth-service-account.md) - [Metadata service](https://ydb.tech/docs/en/recipes/ydb-sdk/auth-metadata.md) - [Using environment variables](https://ydb.tech/docs/en/recipes/ydb-sdk/auth-env.md) - [Username and password based](https://ydb.tech/docs/en/recipes/ydb-sdk/auth-static.md) - [Overview](https://ydb.tech/docs/en/recipes/ydb-sdk/balancing.md) - [Random choice](https://ydb.tech/docs/en/recipes/ydb-sdk/balancing-random-choice.md) - [Prefer the nearest data center](https://ydb.tech/docs/en/recipes/ydb-sdk/balancing-prefer-local.md) - [Prefer the specific availability zone](https://ydb.tech/docs/en/recipes/ydb-sdk/balancing-prefer-location.md) - [Prefer a pile with a specific state](https://ydb.tech/docs/en/recipes/ydb-sdk/balancing-prefer-pile.md) - [Running repeat queries](https://ydb.tech/docs/en/recipes/ydb-sdk/retry.md) - [Setting the session pool size](https://ydb.tech/docs/en/recipes/ydb-sdk/session-pool-limit.md) - [Upserting data](https://ydb.tech/docs/en/recipes/ydb-sdk/upsert.md) - [Bulk-upserting data](https://ydb.tech/docs/en/recipes/ydb-sdk/bulk-upsert.md) - [Setting up the transaction execution mode](https://ydb.tech/docs/en/recipes/ydb-sdk/tx-control.md) - [Configuring time to live (TTL)](https://ydb.tech/docs/en/recipes/ydb-sdk/ttl.md) - [Vector search](https://ydb.tech/docs/en/recipes/ydb-sdk/vector-search.md) - [Distributed lock](https://ydb.tech/docs/en/recipes/ydb-sdk/distributed-lock.md) - [Leader election](https://ydb.tech/docs/en/recipes/ydb-sdk/leader-election.md) - [Service discovery](https://ydb.tech/docs/en/recipes/ydb-sdk/service-discovery.md) - [Configuration publication](https://ydb.tech/docs/en/recipes/ydb-sdk/config-publication.md) - [Overview](https://ydb.tech/docs/en/recipes/ydb-sdk/debug.md) - [Enable logging](https://ydb.tech/docs/en/recipes/ydb-sdk/debug-logs.md) - [Enable metrics in Prometheus](https://ydb.tech/docs/en/recipes/ydb-sdk/debug-prometheus.md) - [Enable tracing in OpenTelemetry](https://ydb.tech/docs/en/recipes/ydb-sdk/debug-otel.md) - [Enable tracing in Jaeger](https://ydb.tech/docs/en/recipes/ydb-sdk/debug-jaeger.md) - [YDB CLI](https://ydb.tech/docs/en/recipes/ydb-cli/index.md) - [Convert table type](https://ydb.tech/docs/en/recipes/ydb-cli/convert-table-type.md) - [Benchmarks](https://ydb.tech/docs/en/recipes/ydb-cli/benchmarks.md) - [Time to live (TTL)](https://ydb.tech/docs/en/recipes/ydb-cli/ttl.md) - [Overview](https://ydb.tech/docs/en/yql/reference/recipes/index.md) - [Accessing JSON](https://ydb.tech/docs/en/yql/reference/recipes/accessing-json.md) - [Modifying JSON](https://ydb.tech/docs/en/yql/reference/recipes/modifying-json.md) - [Configuring TTL](https://ydb.tech/docs/en/yql/reference/recipes/ttl.md) - [AI](https://ydb.tech/docs/en/recipes/vector-search/index.md) - [Vector index - quick start](https://ydb.tech/docs/en/recipes/vector-search/vector-index-quickstart.md) - [Vector index with a prepared external dataset](https://ydb.tech/docs/en/recipes/vector-search/vector-index-with-prepared-dataset.md) - [Transfer](https://ydb.tech/docs/en/recipes/transfer/index.md) - [Transfer — quick start](https://ydb.tech/docs/en/recipes/transfer/quickstart.md) - [Transfer — streaming NGINX access logs to a table](https://ydb.tech/docs/en/recipes/transfer/nginx.md) - [Import and export data to column tables](https://ydb.tech/docs/en/recipes/import-export-column-tables.md) - [Streaming queries](https://ydb.tech/docs/en/recipes/streaming_queries/index.md) - [Quickstart: read and write topics](https://ydb.tech/docs/en/recipes/streaming_queries/topics.md) - [Debug reads from a topic](https://ydb.tech/docs/en/recipes/streaming_queries/debug-read.md) - [Troubleshooting](https://ydb.tech/docs/en/troubleshooting/index.md) - [Performance issues](https://ydb.tech/docs/en/troubleshooting/performance/index.md) - [Network issues](https://ydb.tech/docs/en/troubleshooting/performance/infrastructure/network.md) - [Data center outages](https://ydb.tech/docs/en/troubleshooting/performance/infrastructure/dc-outage.md) - [Data center maintenance and drills](https://ydb.tech/docs/en/troubleshooting/performance/infrastructure/dc-drills.md) - [Hardware issues](https://ydb.tech/docs/en/troubleshooting/performance/infrastructure/hardware.md) - [CPU](https://ydb.tech/docs/en/troubleshooting/performance/hardware/cpu-bottleneck.md) - [Memory](https://ydb.tech/docs/en/troubleshooting/performance/hardware/insufficient-memory.md) - [I/O bandwidth](https://ydb.tech/docs/en/troubleshooting/performance/hardware/io-bandwidth.md) - [Disk space](https://ydb.tech/docs/en/troubleshooting/performance/hardware/disk-space.md) - [System clock drift](https://ydb.tech/docs/en/troubleshooting/performance/system/system-clock-drift.md) - [Rolling restart](https://ydb.tech/docs/en/troubleshooting/performance/ydb/ydb-updates.md) - [Frequent tablet moves between nodes](https://ydb.tech/docs/en/troubleshooting/performance/ydb/tablets-moved.md) - [Overloaded shards](https://ydb.tech/docs/en/troubleshooting/performance/schemas/overloaded-shards.md) - [Excessive tablet splits and merges](https://ydb.tech/docs/en/troubleshooting/performance/schemas/splits-merges.md) - [Transaction lock invalidation](https://ydb.tech/docs/en/troubleshooting/performance/queries/transaction-lock-invalidation.md) - [TLI logging](https://ydb.tech/docs/en/troubleshooting/performance/queries/tli-logging.md) - [OVERLOADED errors](https://ydb.tech/docs/en/troubleshooting/performance/queries/overloaded-errors.md) - [Spilling issues](https://ydb.tech/docs/en/troubleshooting/spilling/index.md) - [Can not run operation](https://ydb.tech/docs/en/troubleshooting/spilling/can-not-run-operation.md) - [Permission denied](https://ydb.tech/docs/en/troubleshooting/spilling/permission-denied.md) - [Spilling Service not started](https://ydb.tech/docs/en/troubleshooting/spilling/service-not-started.md) - [Total size limit exceeded](https://ydb.tech/docs/en/troubleshooting/spilling/total-size-limit-exceeded.md) - [Overloaded shard](https://ydb.tech/docs/en/troubleshooting/examples/schemas/overloaded-shard-simple-case.md) - [Questions and answers](https://ydb.tech/docs/en/faq/index.md) - [General questions](https://ydb.tech/docs/en/faq/common.md) - [SDK](https://ydb.tech/docs/en/faq/sdk.md) - [Errors](https://ydb.tech/docs/en/faq/errors.md) - [YQL](https://ydb.tech/docs/en/faq/yql.md) - [Analytics](https://ydb.tech/docs/en/faq/analytics.md) - [Known issues](https://ydb.tech/docs/en/faq/known-issues.md) - [All questions on one page](https://ydb.tech/docs/en/faq/all.md) - [SDK-Hidden](https://ydb.tech/docs/en/faq/sdk.md) - [Videos](https://ydb.tech/docs/en/public-materials/videos.md) - [public-materials/videos/2025.md](https://ydb.tech/docs/en/public-materials/videos/2025.md) - [public-materials/videos/2024.md](https://ydb.tech/docs/en/public-materials/videos/2024.md) - [public-materials/videos/2023.md](https://ydb.tech/docs/en/public-materials/videos/2023.md) - [public-materials/videos/2022.md](https://ydb.tech/docs/en/public-materials/videos/2022.md) - [Articles](https://ydb.tech/docs/en/public-materials/articles.md) - [public-materials/publications/2024.md](https://ydb.tech/docs/en/public-materials/publications/2024.md) - [public-materials/publications/2023.md](https://ydb.tech/docs/en/public-materials/publications/2023.md) - [Downloads](https://ydb.tech/docs/en/downloads/index.md) - [YDB Open-Source Database](https://ydb.tech/docs/en/downloads/ydb-open-source-database.md) - [Yandex Enterprise Database](https://ydb.tech/docs/en/downloads/yandex-enterprise-database.md) - [YDB CLI](https://ydb.tech/docs/en/downloads/ydb-cli.md) - [YDB DSTool](https://ydb.tech/docs/en/downloads/ydb-dstool.md) - [YDB Ops](https://ydb.tech/docs/en/downloads/ydb-ops.md) - [YDB Ansible](https://ydb.tech/docs/en/downloads/ydb-ansible.md) - [YDB Server](https://ydb.tech/docs/en/changelog-server.md) - [Yandex Enterprise Database](https://ydb.tech/docs/en/changelog-enterprise.md) - [YDB CLI](https://ydb.tech/docs/en/changelog-cli.md) - [Security changelog](https://ydb.tech/docs/en/security-changelog.md) --- For more comprehensive documentation, see [llms-full.txt](https://ydb.tech/docs/en/llms-full.txt)