查看oracle11g的版本信息

$ sqlplus /nolog

SQL>connect /as sysdba;

已连接。

SQL>select * from v$version;

BANNER
--------------------------------------------------------------------------


Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
PL/SQL Release 11.2.0.1.0 - Production
CORE    11.2.0.1.0      Production
TNS for 32-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production