在emp表中查找名字以G开头的SQL语句是( )
A.SELECT ename, hiredate FROM emp WHERE ename like 'G%'
B.SELECT last_name, hiredate FROM emp WHERE ename == 'G%'
C.SELECT last_name, hiredate FROM emp WHERE ename in 'G%'
D.SELECT ename, hiredate FROM emp WHERE ename like 'G___'
正确答案是A