SQL> select owner, min(created), max(created)
2 from dba_objects
3 where created < (select created from v$database)
4 group by owner
5 /
OWNER MIN(CREATED) MAX(CREATED)
------------------------------ -------------------- --------------------
PUBLIC 15-OCT-2007 10:09:10 15-OCT-2007 11:08:07
OUTLN 15-OCT-2007 10:09:17 15-OCT-2007 10:11:32
CTXSYS 15-OCT-2007 10:35:41 15-OCT-2007 10:36:12
SYSTEM 15-OCT-2007 10:09:22 15-OCT-2007 10:48:40
SCOTT 15-OCT-2007 11:36:01 15-OCT-2007 11:36:01
XDB 15-OCT-2007 10:36:34 15-OCT-2007 10:53:50
SYS 15-OCT-2007 10:09:07 15-OCT-2007 12:01:43
....
21 rows selected.
SQL>
在我的数据库上,创建的值是在我将Oracle安装到我的计算机上之前创建的。所以我认为日期代表了Oracle为该版本的Oracle填充数据字典的时间。
编辑