logo 西林@生存 - 骑猪闯天下!
ROWNUM的作用顺序
2006-12-25 14:59:00 By:xling

1. The FROM/WHERE clause goes first.
2. ROWNUM is assigned and incremented to each output row from the FROM/WHERE clause.
3. SELECT is applied.
4. GROUP BY is applied.
5. HAVING is applied.
6. ORDER BY is applied.

http://www.oracle.com/technology/oramag/oracle/06-sep/o56asktom.html

转我的贴,写你的名,是一种可耻的行为!请不要让我BS你!
阅读全文 | 回复(0) | 引用通告 | 编辑

发表评论:

    密码:
    主页:
    标题:
    页面数据正在载入...
<<  < 2007 - 12 >  >>
          1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
Placard
1,長江後浪推前浪,前浪死在沙灘上!
2,有了钱的男人,才是真正的男人...
3,不要以为把你的小JJ埋进土里,你就rape了整个地球;不要以为把你的小JJ朝向天空,你就rape了整个宇宙!
Logon System
Search
Info about this blog
Others
myDream
bxna 京ICP备05002321号