How to find the version informations of the Database ?

> Database > Oracle Database

[email protected]>SELECT * FROM V$VERSION;
 
BANNER
----------------------------------------------------------------
Oracle DATABASE 10g Enterprise Edition Release 10.2.0.4.0 - Prod
PL/SQL Release 10.2.0.4.0 - Production
CORE    10.2.0.4.0      Production
TNS FOR 32-bit Windows: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production