oracle相关经典文章
解决每次从cmd进入sqlplus，都得重新设置pagesize、linesize的问题:

--D:\oracle\product\10.2.0\db_1\sqlplus\admin\glogin.sql
set autotrace traceonly explain statistics

Oracle 列转行函数:wm_concat
http://www.cnblogs.com/honliv/archive/2011/01/24/1943518.html

10g Data block Structure(Dump+BBED)
http://www.cnblogs.com/buro79xxd/archive/2011/02/15/1954875.html

CONNECT BY
http://www.cnblogs.com/KissKnife/archive/2011/02/25/1964816.html