问题
单项选择题
当你执行以下查询语句:SELECT employeesno,ename FROM employees WHERE employeesno=7782 OR employeesno=7876;在WHERE语句中,以下哪个操作符可以取代OR?()
A.IN
B.BETWEEN……and
C.LIKE
D.<=
答案
参考答案:A
当你执行以下查询语句:SELECT employeesno,ename FROM employees WHERE employeesno=7782 OR employeesno=7876;在WHERE语句中,以下哪个操作符可以取代OR?()
A.IN
B.BETWEEN……and
C.LIKE
D.<=
参考答案:A