场景在只知道表名，不知道表包含哪些字段情况下，查询该表信息的场景解决方案 @Test public void test() { Connection connection; String DB_URL = "jdbc:mysql://192.168.20.75:9950/geespace_bd_pla...

文章 2024-09-30 来自：开发者社区

MaxCompute产品使用合集之怎么使用SQL查询来获取ODPS中所有的表及字段信息

问题一：请问下大数据计算MaxCompute主表筛选条件写在关联之后？请问下大数据计算MaxCompute主表筛选条件写在关联之后？参考回答：在MaxCompute中，您可以通过指定分区键值来限制join操作中的分区数量。 MaxCompute支持多种类型的连接操作，包括左连接、右连接、全连接、内连接等，这些操作可以用于连接表并返回符合特定条件的数...

问答 2024-01-22 来自：开发者社区

大数据计算MaxCompute如何用sql查询odps里面所有的表及字段信息?

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更新时间 2024-12-12 17:54:05

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