Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even ...

In July, the Stack Overflow survey showed that PostgreSQL had extended its lead as the most popular database for professional ...

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。 二、Regular Join：常规双流 Join 1. 定义与核心思想 Regular Join 是 Flink SQL 中最基础的 Join 类型，语法与标准 SQL 一致（如 INNER JOIN、LEFT JOIN）。