题目内容

给定employee，创建该表的语句如下：CREATE TABLE EMPLOYEE(Eno Char(8) Primary Key,Ename Varchar(10),Eage SmallintSalary Numeric(7,2),Deptno Char(4));试用触发器表示下列完整性约束：(1) 20≤Eage≤60;(2) Salary≤10000;(3) 当插入或者修改一个职工记录的时候，如果工资低于1000元则自动改为1000元。PS:本题可以创建三个触发器也可以创建一个触发器，建议创建三个触发器完成该题。

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