[EMAIL PROTECTED] ("Greg Patnude") writes:
> Data validation and purification should be performed at the
> application layer -- you should format your data appropriately
> BEFORE trying any INSERT/UPDATE operations.

It seems to me that one might create some stored functions that can do
some validation/purification which, by virtue of residing in the
database, have the ability to efficiently access other data in order
to do data-based validation.

I know I have found that to be a useful approach...
-- 
"cbbrowne","@","ntlug.org"
http://cbbrowne.com/info/linuxdistributions.html
"The day Microsoft  makes something that doesn't suck  is probably the
day they start making vacuum cleaners" - Ernst Jan Plugge

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