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Message Posted: Wed, 21 Jul 2004 @ 12:40:31 GMT
Great but all this has already been discussed in
and I gave that reference earlier in the thread. I did not expect that the thread would need to be repeated with all the details again.
Some contributors in the current thread have said that the fact that TD does not need the FROM clause takes care about the Oracle DUAL functionality. Well, I think it does not as the examples with UNION, MINUS and other set operations show (they contain derived tables and FROM clauses!). That was the simple point I wanted to make in my earlier postings today. I was not looking for solutions for the UNION example as such.
If somebody was interested in the solutions, they were already listed by Dieter in the thread above.
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