?

<!--[if !supportLists]-->1.??????????????? <!--[endif]-->启动数据库：

[oracle@oracle11g ~]$ sqlplus /nolog

SQL*Plus: Release 11.2.0.1.0 Production on Thu Aug 8 13:56:48 2013

Copyright (c) 1982, 2009, Oracle.? All rights reserved.

?

SQL> conn /as sysdba

Connected to an idle instance.

?

SQL> startup

ORACLE instance started.

Total System Global Area 3340451840 bytes

Fixed Size????????????????? 2217952 bytes

Variable Size??????????? 1879050272 bytes

Database Buffers???????? 1442840576 bytes

Redo Buffers?????????????? 16343040 bytes

Database mounted.

Database opened.

?

SQL> quit

?

<!--[if !supportLists]-->2.??????????????? <!--[endif]-->关闭数据库：

oracle@suse92:~> sqlplus /nolog

SQL*Plus: Release 9.2.0.4.0 - Production on Fri Jan 20 02:29:37 2006

Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.