Easiest way:
64-bit:
SQL> select * from v$version where rownum=1;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bi
32-bit:
SQL> select * from v$version where rownum=1;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Prod
Note the "64bit" in 64bit version.
If you are on Unix, in $ORACLE_HOME/bin:
> file oracle
oracle: ELF 64-bit MSB executable SPARCV9 Version 1, dynamically linked, not stripped
Regards
Michel
[Updated on: Wed, 30 January 2008 00:42]
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