问题
OS: Windows 2008 Server R2
Oracle Client: 11.2
Many Thanks
回答1:
A simple way to find this out in Windows is to run SQLPlus from your Oracle homes's bin directory and then check Task Manager. If it is a 32-bit version of SQLPlus, you'll see a process on the Processes tab that looks like this:
sqlplus.exe *32
If it is 64-bit, the process will look like this:
sqlplus.exe
回答2:
Go to %ORACLE_HOME%\inventory\ContentsXML folder and open
comps.xml file
Look for <DEP_LIST> on ~second screen.
If following lines have
PLAT="NT_AMD64" then this Oracle Home is 64 bit.PLAT="NT_X86" then - 32 bit.You may have both 32-bit and 64-bit Oracle Homes installed.
回答3:
One thing that was super easy and worked well for me was doing a TNSPing from a cmd prompt:
TNS Ping Utility for 32-bit Windows: Version 11.2.0.3.0 - Production on 13-MAR-2015 16:35:32
回答4:
In Linux:
1) find where is sqlplus located,
[oracle@LINUX db_1]$ `which sqlplus`
/app/oracle/product/11.2.0/db_1/bin/sqlplus
2) Determine the file type,
[oracle@LINUX db_1]$ file /app/oracle/product/11.2.0/db_1/bin/sqlplus
/app/oracle/product/11.2.0/db_1/bin/sqlplus: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs). For GNU/Linux 2.6.18, not stripped.
回答5:
None of the links above about lib and lib32 folder worked for me with Oracle Client 11.2.0 But I found this on the OTN community:
As far as inspecting a client install to try to tell if it's 32 bit or 64 bit, you can check the registry, a 32 bit home will be located in HKLM>Software>WOW6432Node>Oracle, whereas a 64 bit home will be in HKLM>Software>Oracle.
回答6:
The following, taken from here, was not mentioned here:
If the Oracle Client is 32 bit, it will contain a "lib" folder; but if it is a 64 bit Oracle Client it will have both "lib" and "lib32" folders.
Also, starting in Oracle 11.2.0.1, the client version for 64-bit and the Oracle client for 32-bit are shipped separately, and there is an $ORACLE_HOME/lib64 directory.
$ORACLE_HOME/lib/ ==> 32 bit $ORACLE_HOME/lib64 ==> 64 bit
Or
$ORACLE_HOME/lib/ ==> 64 bit $ORACLE_HOME/lib32 ==> 32 bit
回答7:
For the Oracle 12.1 windows client, looking at the output from the TNSPING command seems to work:
With 32 bit installed on 64 bit OS:
C:>tnsping
TNS Ping Utility for 32-bit Windows: Version 12.1.0.2.0 - Production on 02-FEB-2 016 15:44:37
Copyright (c) 1997, 2014, Oracle. All rights reserved.
With 64 bit installed on 64 bit OS:
D:>tnsping
TNS Ping Utility for 64-bit Windows: Version 12.1.0.1.0 - Production on 02-FEB-2 016 16:00:23
Copyright (c) 1997, 2013, Oracle. All rights reserved.
回答8:
On 64-bit system:
32-bit Driver: C:\Windows\SysWOW64\odbcad32.exe
64-bit Driver: C:\Windows\System32\odbcad32.exe
Go to Drivers Tab
Version is shown there as well.
来源：https://stackoverflow.com/questions/13188670/how-to-know-installed-oracle-client-is-32-bit-or-64-bit