If I have a query
UPDATE tablename SET c1 = 10 - c2, c2 = 4 where ...
will the two assignments be evaluated from left to right?
Thanks in advance.
Anuradha
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First, posting_date in journal can _NOT_ be of type char(4)! I guess it is
a "date".
Try
update journal set gl_update_flag='Y' from distrib where
journal.gl_update_flag = 'H' and journal.posting_date <= '2001-03-31' and
(journal.objectid = distrib.distrib_objectid or journal.objectid =
distrib.
While I'm not sure specificly which order they will be determined
in, it has no effect on what the value of "c1" will be. The value
of "c1" will be 10 minus the value of "c2" where "c2" equals the
value it was before the update occurred. For exmple...
1. Assume you create the following table...