Employee的表结构为：职工号、单位号、工资，与SELECT * FROM Employee ;WHERE 工资 BETWEEN 10000 AND 12000等价的SQL命令是
A．SELECT * FROM Employee WHERE 工资>=10000 AND 工资<=12000
B．SELECT * FROM Employee WHERE 工资>=10000 AND <=12000
C．SELECT * FROM Employee WHERE 工资>=10000 OR 工资<=12000
D．SELECT * FROM Employee WHERE 工资>=10000 OR <=12000