hi gurus
Is query 1 more expensive?
1. select * from TABLE1 order by COL1 desc, COL2 FETCH FIRST n ROWS ONLY
2. select * from TABLE1 FETCH FIRST n ROWS ONLY
Let's say COL1 is not indexed, does it mean DB2 will do a whole table scan
and sort the results only to return the first "n" rows?
Cheers
Ray
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