Speed & Memory Management

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От Kris
Тема Speed & Memory Management
Дата
Msg-id b6ae8p$30p7$1@news.hub.org
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Ответы Re: Speed & Memory Management  (GB <GB@nirvana.nil>)
Re: Speed & Memory Management  (Robert Treat <xzilla@users.sourceforge.net>)
Re: Speed & Memory Management  (Peter Eisentraut <peter_e@gmx.net>)
Список pgsql-admin
Hello all.  I am designing a database that will could potentially grow to
have millions of tuples associated with it.  My thought is that because I
will likely have many updates/inserts/deletes occurring I should set each
column that requires text to a static ammount (ie using char(30) instead of
text).  However, this looks to be a double edged sword, since selecting from
the db is my largest concern (with updates a very close second).  When I
pull these values back out of the db, it seems I am going to have to trim
each returned value (when I pull a ten character string out of this field,
it returns the 10 char string as well as 20 whitespaces.).  I am trying to
assign a weight to each of these scenarios and figure out which is the
lesser of the two evils.  If anyone has a suggestion of how I may circumvent
this issue or which possibility may work best, it would be greatly
appreciated.  Thanks

Kris



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