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I have found in Oracle 8.1.6 that the following code will run in PL/SQL
SELECT field1
FROM table1
WHERE field1 IN (
SELECT field1 FROM table1 MINUS SELECT field1 FROM table2)
Even if field1 does not exist in table2.
Be very very careful.
Daniel A. Morgan Received on Wed Jan 24 2001 - 23:09:25 CST