How to know installed Oracle Client is 32 bit or 64 bit?

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独厮守ぢ

OS: Windows 2008 Server R2

Oracle Client: 11.2

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陌清茗

2020-12-23 02:27

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.

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心在旅途

2020-12-23 02:27

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.

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日久生厌

2020-12-23 02:28

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.

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独厮守ぢ

2020-12-23 02:30

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

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不思量自难忘°

2020-12-23 02:37

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

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死守一世寂寞

2020-12-23 02:38

For Unix

grep "ARCHITECTURE" $ORACLE_HOME/inventory/ContentsXML/oraclehomeproperties.xml

And the output is:

<PROPERTY NAME="ARCHITECTURE" VAL="64"/>

For Windows

findstr "ARCHITECTURE" %ORACLE_HOME%\inventory\ContentsXML\oraclehomeproperties.xml

And the output can be:

<PROPERTY NAME="ARCHITECTURE" VAL="64"/>

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