Joining two streams of data with Flink SQL
Read OriginalThis article provides a detailed tutorial on performing stream-stream joins in Apache Flink SQL. It addresses a common question about joining two data streams by ID to get a combined view of the latest data, using timestamp-based matching. The guide includes example table schemas, SQL code for creating source tables, populating sample data, and executing batch and streaming joins, while discussing potential pitfalls of naive approaches.
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