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51CTO
3 年
Flink SQL 知其所以然:Explain、Show、Load、Set 子句 - 51CTO
大家好,我是老羊,今天我们来学习 Flink SQL 中的的 Explain、Show、Load、Set 共 4 个子句。 应用场景:EXPLAIN 子句其实就是用于查看当前这个 sql 查询的逻辑计划以及优化的执行计划。
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