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In data pipelines built with Flink and CDC technologies, there is often a requirement to enrich data in real time by merging multiple tables into a single wide table. Consider the scenario with three interconnected tables A, B, and C, forming a join chain:

<math>A \xrightarrow{m} B \xrightarrow{n} C</math>Image Added

Our goal is to update the aggregate view of tables A, B, and C in real time.

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