有SQL语句: SELECT*FROM教师WHERE NOT(工资>3000 OR
问题:
有SQL语句: SELECT*FROM教师WHERE NOT(工资>3000 OR工资<2000) 与如上语句等价的SQL语句是
A.SELECT*FROM教师WHERE工资BETWEEN 2000 AND 3000
B.SELECT*FROM教师WHERE工资>2000 AND工资<3000
C.SELECT*FROM教师WHERE工资>2000 OR工资<3000
D.SELECT*FROM教师WHERE工资<=2000 AND工资>=3000