多表嵌套 MySQL MySQL 多表嵌套查询：[Err] 1248 – Every derived table must have its own alias SELECT DISTINCT score FROM ( SELECT score FROM student WHERE score>60 )AS tt 多表嵌套：一个表的查询结果作为另一个表的查询表 ... 七娃博客2020-12-21 76 次
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MySQL