查看Oracle 是32位还是64位的方法

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方法一：
使用sqlplus64位：
[Oracle@qs-wg-db2 ~]$ sqlplus / as sysdba搜索;
SQL*Plus: Release 10.2.0.5.0 - Productionon Sun Sep 25 08:57:22 2011
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise EditionRelease 10.2.0.5.0 - 64bit ProductionWith the Partitioning, OLAP, Data Miningand Real Application Testing options
SQL>

如果是64位，用sqlplus 连上之后会显示具体的位数信息，32位则不会显示。

32位：
C:\Users\Administrator.DavidDai>sqlplus/ as sysdba;
SQL*Plus: Release 11.2.0.1.0 Production onSun Sep 25 08:55:48 2011
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise EditionRelease 11.2.0.1.0 - ProductionWith the Partitioning, OLAP, Data Miningand Real Application Testing options

方法二：查看v$version 视图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

和第一种方法一样，64位会显示具体的位数信息，32位不会显示。

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