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Old December 23rd, 2003, 03:25 AM
gul gul is offline
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Eliminate duplicate rows

I need a little help with the following problem:

I would like to have a result set containing all entries of one table that are not distinct. Then delete them if they are found in another table e.g.:

SELECT DISTINCT value FROM table A

value
-------
101
250
300

DELETE FROM table B WHERE value != 101 AND value != 250 AND value != 300


Is there a way to do what I've done above quicker than these?


Any ideas?
Thanks!

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Old December 23rd, 2003, 07:45 AM
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r937 r937 is offline
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not totally sure i understood your situation but it sounds like this:

delete from tableB
where value not in
( select distinct value from tableA )

rudy
http://r937.com/

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