mysql错误 Every derived table must have its own alias
2014-05-23 14:41
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Every derived table must have its own alias
意思为派生出来的表 ,在继续被查询的时候, 都必须有别名
意思为派生出来的表 ,在继续被查询的时候, 都必须有别名
SELECT MAX(edate) FROM (SELECT edate FROM exam WHERE ename='mysql') AS ed
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