MySQL的一些報錯信息
1.【報錯】Unknown column 'XXXX' in having clause

可改為having max(Salary)
2.【報錯】Operand should contain 1 column(s)
in后只能有一個字段

3.【報錯】You have an error in your SQL syntax;check the manual that corresponds to your MySQL server version for the right syntax to use near')'(單引號內可以是其它的,這是語法錯誤,檢查下拼寫啥的……還有別的再補充)
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