MySQL触发器未知语法错误if语句
我有一个触发器，上面写着一个语法错误MySQL触发器未知语法错误if语句,mysql,triggers,Mysql,Triggers,我有一个触发器，上面写着一个语法错误 delimiter // Create Trigger sal_check Before Update On emp For Each Row Begin IF (new.sal > (old.sal * 1.1)) Then signal sqlstate '45000' set message_text = 'The increase to salary is too high'; End IF; END // deli
delimiter //
Create Trigger sal_check
Before Update On emp
For Each Row
Begin
IF (new.sal > (old.sal * 1.1)) Then
signal sqlstate '45000' set message_text = 'The increase to salary is too high';
End IF;
END
//
delimiter ;
为什么要在新旧之间加冒号
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