sql图:根据上贴图，有几个疑问 1、tmall_trade_detail是datahub的表结构吗，我看类型是datahub？这个会自动解析json数据吗？如果不能创建这个是有什么意义。 2、tmall_trade_state这个是rds的表结构？我在这边写了建表语句，在rds还需要建表吗？ 3、建表不用写IF NOT EXISTS 吗？每次执行每次都创建吗？

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更新时间 2025-09-22 09:29:28

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