<ul><li>Flexible interval aggregation: From SQL to SPL</li><li>This article discusses the concept of flexible interval aggregation and compares the implementation in SQL and SPL (Stream Processing Language).</li><li>SQL implementation requires creating a temporary interval table and then associating and grouping the data.</li><li>On the other hand, SPL code simplifies the process by directly grouping and aggregating data based on intervals.</li></ul>

Flexible interval aggregation：From SQL to SPL

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