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Insert data from tableA into TableB if idA is not already in tableB? Insert data from tableA into TableB if idA is not already in tableB?

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Old 05-23-2006, 11:35 PM
alexfr alexfr is offline
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Default SQL 92 dialect question:

Insert data from tableA into TableB if idA is not already in tableB?

Insert data from tableA into TableB if idA is not already in tableB?
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Old 05-24-2006, 12:00 AM
alexfr alexfr is offline
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Default SQL 92 answer. Re: Insert data from tableA into TableB if idA is not already in tableB?
INSERT INTO tableB (idB, nomB)
SELECT idA, nomA FROM tableA
WHERE NOT EXISTS (
   SELECT idB FROM tableB
   WHERE tableB.idB = tableA.idA
)
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