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From: Michel Durand (durandptd.net)
Date: Sat Mar 14 2009 - 09:23:28 CDT
It seems that someone got bitten very hard in a soft area by a Null one
On a more practical level, Oracle recommended to design the table with
the field where NULLs are to be expected at the end of the table, that
saves a little space and two, as the use of indexes is invalidated in
case of nulls its is better to place the important indexed fields toward
the beginning of the table.
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