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Database版 - please help me solve a problem.
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进入Database版参与讨论
1 (共1页)
m******u
发帖数: 12400
1
http://www.sqlzoo.net/wiki/SELECT_from_Nobel_Tutorial
SQLZOO, select from nobel, problem 14. Your can find the problem by the
above link.
c*****d
发帖数: 6045
2
原题给的SQL提示已经够多了
SELECT winner, subject
FROM nobel
WHERE yr=1984
ORDER BY subject IN ('Physics','Chemistry'), subject,winner
m******u
发帖数: 12400
3
这个用法我没学过。没看懂。order by 里,这个in clause返回值是0或1,怎么就排到
后面呢?
c*****d
发帖数: 6045
4
就是让0和1排序呀

【在 m******u 的大作中提到】
: 这个用法我没学过。没看懂。order by 里,这个in clause返回值是0或1,怎么就排到
: 后面呢?

c*****d
发帖数: 6045
5
我记得你上了老土的SQL课程吧
他讲课连order by expression和order by column(s) not in select也没讲?
m******u
发帖数: 12400
6
oh, I see. Thanks.
1 (共1页)
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