创建测试环境：
[oracle@yang ~]$ sqlplus ‘/as sysdba’
SQL*Plus: Release 10.2.0.4.0 – Production on Thu Oct 27 00:03:46 2011
Copyright (c) 1982,[……]
October 27, 2011 maintain, oracle 2 comments dead lock
创建测试环境：
[oracle@yang ~]$ sqlplus ‘/as sysdba’
SQL*Plus: Release 10.2.0.4.0 – Production on Thu Oct 27 00:03:46 2011
Copyright (c) 1982,[……]