试题与答案

若要求查找姓名中第二个字为'阳'字的学生的学号和姓名,下列SQL语句中,哪一个(些)

题型:单项选择题

题目:

若要求查找姓名中第二个字为'阳'字的学生的学号和姓名,下列SQL语句中,哪一个(些)是正确的 Ⅰ.SELECT S#,SNAME FROM S WHERE SNAME=' 阳%' Ⅱ.SELECT S#,SNAME FROM S WHERE SNAME LIKE'_阳%' Ⅲ.SELECT S#,SNAME FROM S WHERE SNAME LIKE'%阳%'

A.只有Ⅰ

B.只有Ⅱ

C.只有Ⅲ

D.都正确

答案:

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下面是错误答案,用来干扰机器的。

答案:B

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