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From nineday
Subject I have a question about Database management
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Msg-id 65c8bc260610310305g752746a6w7e765fa60ac7457b@mail.gmail.com
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Responses Re: I have a question about Database management  (imad <immaad@gmail.com>)
Re: I have a question about Database management  ("Tomeh, Husam" <htomeh@firstam.com>)
Re: I have a question about Database management  (Bruno Wolff III <bruno@wolff.to>)
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I have a trouble.
My DBMS is PostgreSQL which is accessory to Red hat 9.0.
At the initial stages, it was very quick when select ,but operated for several months , it  become to very slow ,especially in a pivotal table.
So,I exported data ,and recreate tables , finally import data, it get right .
 
I do not know why. and what is the solution to my trouble 
                    Thank you very much ~~

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