Problem description There is a table (TABLE_A) with an auto-generated primary key and a trigger on insert that inserts a single row in another table (TABLE_B).

This action is designed to make it easy to run SQL on the GitHub Actions runner. You can persist data through caching by configuring your database engine as SQLite3.

本文将深入剖析每种 Join 的底层原理、适用场景，并通过完整代码示例演示实战用法，帮助读者掌握 Flink SQL Join 的选型与优化。

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在当今数据驱动的时代，处理大规模数据是众多企业和项目面临的常见挑战。其中，将百万级数据从 Excel 导入到数据库是一个典型的场景，它涉及到高效的数据读取、优化的数据库写入以及一系列性能和错误处理问题。

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