OK. Thanks for clarification.
----- Original Message -----
From: "Doug McNaught" <doug@xxxxxxxxxxxx>
To: "Zlatko Matić" <zlatko.matic1@xxxxxxxxxxx>
Cc: <pgsql-general@xxxxxxxxxxxxxx>; "Tony Caduto"
<tony.caduto@xxxxxxxxxxxxxxxxxxxx>
Sent: Sunday, January 22, 2006 2:39 PM
Subject: Re: [GENERAL] numeric data type?
Zlatko Matić <zlatko.matic1@xxxxxxxxxxx> writes:
So, it seems that numeric without parameters (precision, scale) behave
similar to float, but is much exact. Am I right or I missunderstood?
Right. It's also considerably slower, since floating point
calculations can use the hardware. Unless you're doing a huge number
of computations this may not be an issue.
-Doug
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
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