report generation from table.

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От sathiya psql
Тема report generation from table.
Дата
Msg-id f966c2ee0910210452x4a60093ds772b62063e72fe8c@mail.gmail.com
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Ответы Re: report generation from table.  ("A. Kretschmer" <andreas.kretschmer@schollglas.com>)
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Hi All,<br /><br />I have been searching for, Preparing report from a huge table.<br /><br />Queries am executing now
are,<br/>SELECT count(*) from HUGE_TBL where cond1, cond2;<br />SELECT count(*) from HUGE_TBL where cond1, cond3;<br />
---like this i have different conditions(10-15 different things ) and different amount of conditions ( 2 - 5 condition
).<br/><br />As that is a very huge table, it took time to execute each query ( 2 min ). And finally it takes 15 times
that( 30 min ).  Is there anyway to do the above report efficiently ?<br /><br />Such executing the query only once,
andgetting all different outputs required ? or fetching result from some cache ?<br />Or i dont have any other way
?!<br/> 

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