Oracle 查看当前数据库版本的方法

常用的有三种方法：

方法一：v$version

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 Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production

方法二：product_component_version

select * from product_component_version;
VERSION
--------------------------------------------------------------------------------
STATUS
--------------------------------------------------------------------------------
NLSRTL
11.2.0.1.0
Production

Oracle Database 11g Enterprise Edition
11.2.0.1.0
Production

方法三：dbms_output.put_line( dbms_db_version.version )

SQL> SET SERVEROUTPUT ON  
SQL> EXEC dbms_output.put_line( dbms_db_version.version ); 
11 
PL/SQL procedure successfully completed.