Logo icon
    • Contents
    • Quick start
    • Concepts
    • For DevOps
    • For Developers
      • Getting started
      • Streaming queries
      • YQL tutorial
        • Creating a table
        • Adding data to a table
        • Selecting data from all columns
        • Selecting data from specific columns
        • Sorting and filtering
        • Data aggregation
        • Additional selection criteria
        • Joining tables with JOIN
        • Inserting and updating data with REPLACE
        • Inserting and updating data with UPSERT
        • Inserting data with INSERT
        • Updating data with UPDATE
        • Deleting data
        • Adding and deleting columns
        • Deleting a table
      • Example applications
      • Primary keys
      • Secondary indexes
      • Vector indexes
      • Vector index type vector_kmeans_tree
      • Query execution optimization
      • Batch upload
      • Paging
      • Timeouts
      • System views
      • Change Data Capture
      • Terraform
      • Custom attributes
    • For Analysts
    • For Security Engineers
    • For Contributors
    • Reference
    • Recipes
    • Troubleshooting
    • Questions and answers
    • Downloads
    1. For Developers
    2. YQL tutorial

    YQL Tutorial - Overview

    From this tutorial, you will learn how to perform basic operations with data in YDB and get familiar with the YQL syntax. A detailed description of this syntax is also available in the YQL reference documentation.

    The tutorial consists of 15 steps:

    1. Creating a table
    2. Adding data to a table
    3. Selecting data from all columns
    4. Selecting data from specific columns
    5. Sorting and filtering
    6. Data aggregation
    7. Additional selection criteria
    8. Joining tables with JOIN
    9. Inserting and updating data with REPLACE
    10. Inserting and updating data with UPSERT
    11. Inserting data with INSERT
    12. Updating data with UPDATE
    13. Deleting data
    14. Adding and deleting columns
    15. Deleting a table

    Was the article helpful?

    Previous
    Checkpoints
    Next
    Creating a table