• 2022-06-07
    查询“图书”表中书名含有“计算机”的图书信息,正确的选项是______。
    A: select * from book where bname like ‘_计算机_’
    B: select * from book where bname like ‘_计算机%’
    C: select * from book where bname like ‘%计算机_’
    D: select * from book where bname like ‘%计算机%’
  • D

    举一反三

    内容

    • 0

      以下____完整,语句的作用是:查询book表中图书价格大于图书均价的图书信息select * from book where _____>;(select avg(price) from Book )

    • 1

      查询不比计算机类图书便宜的书,语句中SELECT name ,price from book where price____(select price from book where category='计算机')缺省的部分应是()。 A: > all B: > any C:

    • 2

      查询姓“李”的学生的所有信息 A: select * from student where sname like ‘#李%’ B: select * from student where sname like ‘%李#’ C: select * from student where sname like “%李%” D: select * from student where sname like ‘%李%

    • 3

      以下语句的作用是:查询book表中图书价格大于图书均价的图书信息 select * from book where _____>( select avg(price) from Book ) 则____处的内容为,

    • 4

      下列语句()能够查询所有英语类课程的信息。 A: SELECT * FROM Course WHERE cname LIKE ‘%英语’ B: SELECT * FROM Course WHERE cname LIKE ‘%英语%’ C: SELECT * FROM Course WHERE cname LIKE ‘_英语_’ D: SELECT * FROM Course WHERE cname LIKE ‘*英语*’