2017年01月10 - Course表如下:
查询出每门课都大于80 分的学生姓名有两种方法。
1.select distinct name from Course where name not in (select distinct name from Course where score<=80)
2010年09月28 - Experimenting with new features of T-SQL, I've run into a puzzle. Here is some new syntax supported by SQL 2008 and I'd expect it to work on databases