我的论坛主题

• why a role need a password ?

  2008-09-14 04:48:58   /   Oracle数据库管理

  and in what scenario ?

  查看(1301) 评论(10)

• selectivity on date column of a table

  2008-01-16 08:34:59   /   Oracle数据库管理

  there is an index on check_in_time of table members, check_in_timeis date type.select* from members tWHERE check_in_time = to_date('12/17/2007 10:20:20','mm/dd/yyyy hh:mi:ss');will use index on check_in_time.select* from members tWHERE check_in_time = :3;using bind variable will also use index.but:select* from members tWHERE check_in_time > to_date('12/17/2007 10:20:20','mm/dd/yyyy hh:mi:ss');will always use FTS, even 12/17/2007 10:20:20 is ver

  查看(266) 评论(3)

• 10gR2 RAC in AIX, use ASM or GPFS ?

  2007-12-17 09:16:00   /   Oracle数据库管理

  Thanks![ 本帖最后由 Niy38 于 2007-12-17 09:17 编辑 ]

  查看(530) 评论(8)