c.panel <[EMAIL PROTECTED]> wrote:
> Good ! I've not seen like this !
> but why "where t2.DATE <= mytable.DATE" instead of where "t2.DATE <
> mytable.DATE"

In each row, do you want balance before that row's credit/debit has 
taken place, or after? <= does the latter, < would do the former.

> because what about if ACCOUNT soon exists with no null value and you
> want to update?

My statement never uses any previous value of ACCOUNT field, null or 
otherwise.

Igor Tandetnik 



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