题目内容:
有SQL语句:SELECT*FROM教师WHERENOT(工资>3000OR工资<2000)与如上语句等价的SQL语句是
A.SELECT*FROM教师HWERE工资BETWEEN2000AND 3000 B.SELECT*FROM教师HWERE工资>2000AND工资<3000
C.SELECT*FROM教师HWERE工资>2000OR工资<3000
D.SELECT*FROM教师HWERE工资<=2000AND工资>=3000
参考答案:
答案解析: