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My desire is to update the OUTIME in benjunk2 for order 238,509 to
10:41:53 and order 238,566 to 10:42:43.
Here's the solution:
UPDATE benjunk2 b
SET outime =
(SELECT a.outime FROM benjunk1 a
WHERE a.ouord# = b.ouord# AND a.outime <> b.outime)
WHERE ouord# IN
(SELECT a.ouord# FROM benjunk1 a INNER JOIN benjunk2 b
ON a.ouord# = b.ouord# AND a.outime <> b.outime)
In the end, you do need to do the inner join, but in the WHERE clause
of the outer or primary SELECT not in the subselect or inner SELECT.
The reason the inner join is required is that you are not updating every
row in the table and the inner join
identifies those records to be updated.
Rob Berendt
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