Daniel Kalchev <[EMAIL PROTECTED]> writes:
> Does this mean, that constructing tables where fixed length fields are 
> 'before' variable lenght fields and 'possibly null' fields might increase 
> performance?

There'd have to be no nulls, period, to get any useful performance
difference --- but yes, in theory putting fixed-length columns before
variable-length ones is a win.

I wouldn't bother going out to rearrange your schemas though ... at
least not before you do some tests to prove that it's worthwhile.

                        regards, tom lane

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