Re: PostgreSQL, MySQL, etc., was Re: PostgreSQL is much faster than MySQL, only when...

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От Chris Travers
Тема Re: PostgreSQL, MySQL, etc., was Re: PostgreSQL is much faster than MySQL, only when...
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Msg-id 022701c3b4bd$c4699be0$2d00053d@SAMUEL
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Ответ на Re: PostgreSQL is much faster than MySQL, only when...  (Marek Lewczuk <newsy@lewczuk.com>)
Ответы Re: PostgreSQL, MySQL, etc., was Re: PostgreSQL is much  (Shridhar Daithankar <shridhar_daithankar@myrealbox.com>)
PostgreSQL Advocacy, Thoughts and Comments  (Tony <tony@unihost.net>)
Re: PostgreSQL, MySQL, etc., was Re: PostgreSQL is much faster than MySQL, only when...  (Paul Thomas <paul@tmsl.demon.co.uk>)
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Hi;

I am trying to determine if there is anything I can do with MySQL that I
can't do with PostgreSQL.  HEAP tables are the last one I can't figure out.

HEAP tables are MySQL tables which reside in memory and are visible across
sessions.  For obvious reasons, this violates the D in ACID.

In many cases this can be very usefull-- for example if I am building a
system where I want the simplicity of a SQL-like interface with the low
latency of memory-only devices.  WOuld I have to run the entire db in a
ramdisk, or can anyone think of a way to do something like this?

It has occurred to me that when table spaces are supported, then this would
be much easier (have a HEAP table space sitting on a ramdisk).

Best WIshes,
Chris Travers


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