Robin Moffatt 5/20/2025

Exploring Joins and Changelogs in Flink SQL

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This article dives into the concepts of dynamic tables and changelogs in Apache Flink SQL, explaining how it processes streaming data differently from traditional batch SQL. It provides a hands-on tutorial, starting with basic SELECT queries and advancing to LEFT OUTER JOIN operations, using Kafka-backed tables to illustrate the implications of streaming joins on data updates.

Exploring Joins and Changelogs in Flink SQL

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