1.進入sqlplus
sqlpus / as sysdba
2.查看
select * from v$version;
博主查看的主機安裝的就是64bit的oracle
PS:64位會顯示具體的位數信息，32位不會顯示。
32位：
SQL> select * from v$version;
BANNER
Oracle Database 11g Enterprise EditionRelease 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
64位：
SQL> select * from v$version;
BANNER
Oracle Database 10g Enterprise EditionRelease 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
CORE 10.2.0.5.0 Production
TNS for Linux: Version 10.2.0.5.0 -Production
NLSRTL Version 10.2.0.5.0 – Production