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    • Contents
    • Quick start
    • Concepts
    • For DevOps
    • For Developers
      • Getting started
      • Streaming queries
        • Common patterns
        • Writing to tables
        • Data enrichment
        • Topic read and write formats
        • Delivery guarantees
        • Checkpoints
      • YQL tutorial
      • Example applications
      • Primary keys
      • Secondary indexes
      • Vector indexes
      • Vector index type vector_kmeans_tree
      • Query execution optimization
      • Resource consumption management
      • 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. Streaming queries

    Streaming queries

    Practical guidance for working with streaming queries:

    • Common patterns — minimal examples to get started quickly
    • Writing to tables — how streaming queries write into YDB tables in near real time
    • Data enrichment — enriching the stream using external sources
    • Topic read/write formats — supported formats when working with topics and usage examples
    • Delivery guarantees — guarantee levels, windowing anomalies, and recommendations
    • Checkpoints — persisting processing state for fault tolerance and recovery

    See also

    • Recipes for streaming queries
    • Streaming queries overview

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