在用法问题中:select * from a，(select b1.id，b1.date from btableb1) b其中a.id in b.idin用法问题:select * from A，(select b1.id，b1。date from btable B1)b where a . id in b . id简介:如题，sql语句如下:select * from a，(select b1.id，B1 . date from btable B1)b where a . id in b . id这样的SQL语句会报错，
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