Fernando Ferreira <[EMAIL PROTECTED]> writes:
> I would like know about the value stored for null value for fields date 
> and timestamp.

There isn't any; we don't store anything at all for a null.

I don't think those other DBs you mention equate a null to some
particular randomly chosen date, either.  You might be dealing with
some broken application software that uses such a thing as a way to
avoid dealing with true nulls ...

                        regards, tom lane

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