How Streaming SQL Uses Watermarks | Apache Flink SQL
► GET STARTED: https://cnfl.io/apache-flink-sql-module-1
Watermarks are at the heart of what makes Apache Flink®’s streaming SQL engine different from batch-oriented SQL processors, like databases. Join David Anderson as he explains the ins and outs of watermarks in Flink SQL.
For more information, check out the Apache Flink SQL course on Confluent Developer: https://cnfl.io/apache-flink-sql-module-1
RELATED RESOURCES
► Event Time and Watermarks | Apache Flink 101 - https://www.youtube.com/watch
► How to Set Idle Timeouts | Apache Flink in Action - https://www.youtube.com/watch
► Reading: How streaming SQL uses watermarks - https://cnfl.io/4eO6RXi
► Exercise: Hands-on with watermarks - https://cnfl.io/4gPsEiP
CHAPTERS
00:00 - Watermarks connect time with state
04:14 - Using an idle timeout
05:59 - Using watermark alignment
07:15 - Configuring watermarks
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