On 2008-09-12 15:52, Jack Orenstein wrote:
Sorry, I misspoke. I have an index, but preferred doing a scan without the index in this case.
Why?The only reason I can think of is that you'd like to avoid disk seeking. But you get at most 1 row in 30 seconds, so disk latency (only several milliseconds) can be ignored.
Regards Tometzky -- ...although Eating Honey was a very good thing to do, there was a moment just before you began to eat it which was better than when you were... Winnie the Pooh