32bit vs 64bit - General Question

Hello:
I have read a number of articles about Snow-Leopard being boot up in 32bit vs 64bit.
It's a big topic, so I would like to ask and receive (a response) in very general terms that will overlook many finer points.
My impression is (for now and the near future), I should leave my MacPro 2009 (16GB RAM) in 32bit when using FCS3.
Question: will I be missing out on any "must have" advantages.
(Computer and Software info listed below)
Thank-you, MLR

No you won't miss anything by staying in 32bit. FCS3 is still 32bit.
No advantage will be gained for you by setting OSX to 64bit mode and you may cause some other problems.
x

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Hi,
Note that you can always run 32-bit apps on a 64-bit client . . . . .
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http://www.oracle.com/technology/software/tech/oci/instantclient/index.html
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Instant Client for Microsoft Windows (x64)
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Instant Client for Linux x86-64
Instant Client for Linux Itanium
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Instant Client for Linux on Power (32-bit)
Instant Client for Linux on Power (64-bit)
Instant Client for z/Linux (32-bit and 64-bit)
Instant Client for Mac OS X (Intel x86)
Instant Client for Mac OS X (PPC)
Instant Client for Solaris Operating System (SPARC) (64-bit)
Instant Client for Solaris Operating System (SPARC) (32-bit)
Instant Client for Solaris x86
Instant Client for Solaris x86-64
Instant Client for HP-UX PA-RISC (64-bit)
Instant Client for HP-UX PA-RISC (32-bit)
Instant Client for AIX5L (64-bit)
Instant Client for AIX5L (32-bit)
Instant Client for HP Tru64 UNIX
Instant Client for HP-UX Itanium (64-bit)
Instant Client for HP-UX Itanium (32-bit)
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Donald K. Burleson
Oracle Press author
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http://www.dba-oracle.com/bp/s_oracle_tuning_book.htm

32bit to 64bit question.

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Windows 7 64-bit and need to install both 32bit and 64bit Oracle 11g client

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Does iTunes come with 32bit and 64bit install?

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open minds entertainment wrote:
It's 1 Computer especially made for games
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Please learn to clearly describe the situation or it is unlikely that appropriate and relevant assistance will be provided.
Keep in mind, these are user to user support forums. The attitude that you spewed above is unlikely to get you any further assistance.

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Hello to everyone,
I have a general question about the iTunes Match service, which is available since yesterday in my country (Italy). Currently my library situation is the following:
Computer A (desktop, Windows 7): "big" iTunes library (about 20 GB), at the moment not associated with my Apple ID
Computer B (MacBook Air 2011): "small" iTunes library (about 5 GB), associated with my Apple ID
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Maybe the question sounds stupid, but I want to be sure about this before paying for the service.
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Install jre 32bit on 64bit system with error

Hello,
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Error: .... cannot start or run due to incompatibity with 64-bit versions of Windows. Please contact the software vendor to ask if a 64-bit Windows compatible version is available.
manually installation works without errors.
i need jre 32bit on 64bit!
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Hello gimbal2,
i agreed with my CA-Support to ask for help here, after many trys to fix the issue.
we thought it would be a nice idea to ask oracle community - perhabs somebody know how to fix this prob.
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32bit vs 64bit - General Question

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