当前位置: X题卡 > 所有题目 > 题目详情

第(24)至(26)题基于“学生-选课-课程”数据库中的如下三个关系: 学生基本信息:S(S#, SNAME,SEX,AGE) 选课信息:SC(S#, C#,GRADE) 课程信息:C(C#, ...

查看本题答案

你可能感兴趣的试题

SELECT S# FROM SC GROUP BY S# WHERE COUNT(*)> 3  SELECT S# FROM SC GROUP BY S# HAVING COUNT(*)> 3  SELECT S# FROM SC ORDER BY S# WHERE COUNT(*)> 3  SELECT S# FROM SC ORDER BY S# HAVING COUNT(*)> 3  
SELECT S# FROM SC GROUP BY S# WHERE COUNT(*)>3  SELECT S# FROM SC GROUP BY S# HAVING COUNT(*)>3  SELECT S# FROM SC ORDER BY S# WHERE COUNT(*)>3  SELECT S# FROM SC ORDER BY S# HAVING COUNT(*)>3  
SELECT S# FROM SC GROUP BY S# WHERE COUNT(*)>3  SELECT S# FROM SC GROUP BY S# HAVING C01LINT(*)>3  SELECT S# FROM SC ORDER BY S# WHERE COUNT(*)>3  SELECT S# FROM SC ORDER BY S# HAVING COUNT(*)>3  
SELECT S# FROM SC GROUP BY S# WHERE COUNT(*)> 3  SELECT S# FROM SC GROUP BY S# HAVING COUNT(*)> 3  SELECT S# FROM SC ORDER BY S# WHERE COUNT(*)> 3  SELECT S# FROM SC ORDER BY S# HAVING COUNT(*)> 3  
学生数据库的指针带动课程数据库和选课数据库的指针移动  课程数据库的指针带动学生数据库和选课数据库的指针移动  选课数据库的指针带动学生数据库和课程数据库的指针移动  学生数据库和选课数据库的指针随着课程数据库的指针移动  

热门试题

更多