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 Post subject: Unclear about the 32/64-bit implications
PostPosted: Sat Jun 09, 2018 10:53 pm 
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Anything I develop will run on Windows 7 or higher, which is 64 bit, but will have to handle 32-bit data sources via ODBC. I've purchased the PB license.

Do I download the 32-bit or the 64-bit version?

Is there really any point in downloading both versions?


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 Post subject: Re: Unclear about the 32/64-bit implications
PostPosted: Sat Jun 09, 2018 11:05 pm 
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In practice and for normal software the answer is no, unless your programs need or work better with a lot of RAM.
If you are happy with the 2GB limit for your 32 bit process, just write 32 bits software and you will not miss anything.


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 Post subject: Re: Unclear about the 32/64-bit implications
PostPosted: Sat Jun 09, 2018 11:10 pm 
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From a quick google search, it seems like you need to use the 32-bit version (which generates a 32-bit program) to access 32-bit odbc sources. That's because odbc drivers are dlls, and a 32-bit dll cannot be loaded into a 64-bit program (and the other way around).


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 Post subject: Re: Unclear about the 32/64-bit implications
PostPosted: Sat Jun 09, 2018 11:29 pm 
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There are software bridges to use 32 bit ODBC from a 64 bit process but there is no point when you can write 32 bit software in the first place and be happy with it.
https://stackoverflow.com/questions/113 ... river-on-w

I found this nice 64 bit ODBC primer
https://www.easysoft.com/developer/inte ... 4-bit.html


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 Post subject: Re: Unclear about the 32/64-bit implications
PostPosted: Sun Jun 10, 2018 3:06 am 
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RobertSF wrote:
Windows 7 or higher, which is 64 bit


Windows 7 is on 64-bit and 32-bit systems! I don't know if Windows 8+ was released 32-bit...


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