问题详情

要查询 book 表中所有书名中包含 “ 计算机 ” 的书籍情况 , 可用 (  ) 语句


A、<span style="font-family: 宋体;font-size: 14px">&nbsp;SELECT * FROM book WHERE book_name LIKE </span><span style="font-family: 宋体;font-size: 14px">‘</span><span style="font-family: 宋体;font-size: 14px">计算机</span><span style="font-family: 宋体;font-size: 14px">*</span><span style="font-family: 宋体;font-size: 14px">’</span></p><p><br/></p>

B、<span style="font-family: 宋体;font-size: 14px">&nbsp;</span><span style="font-family: 宋体;font-size: 14px">SELECT * FROM book WHERE book_name LIKE </span><span style="font-family: 宋体;font-size: 14px">‘</span><span style="font-family: 宋体;font-size: 14px">计算机</span><span style="font-family: 宋体;font-size: 14px">%</span><span style="font-family: 宋体;font-size: 14px">’</span><span style="font-family: 宋体;font-size: 14px">&nbsp;</span></p><p><br/></p>

C、<span style="font-family: 宋体;font-size: 14px">&nbsp;SELECT * FROM book WHERE book_name = </span><span style="font-family: 宋体;font-size: 14px">‘</span><span style="font-family: 宋体;font-size: 14px">计算机</span><span style="font-family: 宋体;font-size: 14px">*</span><span style="font-family: 宋体;font-size: 14px">’</span></p><p><br/></p>

D、<p style="line-height: 23px"><span style="font-family: 宋体;font-size: 14px">&nbsp;SELECT * FROM book WHERE book_name = </span><span style="font-family: 宋体;font-size: 14px">‘</span><span style="font-family: 宋体;font-size: 14px">计算机</span><span style="font-family: 宋体;font-size: 14px">%</span><span style="font-family: 宋体;font-size: 14px">’</span></p><p><br/></p>

时间:2021-07-17 23:55 关键词: 计算机网络技术 高起专 关系型数据库 2020年第二学期期末考试

答案解析

B