SQL面试题收录

2015-11-21 01:49:08 · 作者: · 浏览: 5

1、用一条SQL语句 查询出每门课都大于80分的学生姓名

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SELECT DISTINCT 
  NAME 
FROM
  t_score_tab 
WHERE NAME NOT IN 
  (SELECT DISTINCT 
    NAME 
  FROM
    t_score_tab 
  WHERE score <= 80)