On Thursday 23 December 2004 02:01 pm, Bryan Heitman wrote: > Hi Sergio, > > All of your suggestions deal with key optimization, I do not believe I have > a key issue here. Remember that select count(*), an index-only query > returns in .06 seconds which is very quick. The real question, is why does > it take 5 mins to retrieve the row data for these 2 rows that the index > retrieved so quickly. Why the delay and why the heavy read activity on the > MYD file.
Do a show table status. It shows the number of rows in a table. It knows this well before you run select count(*), so it really doesnt count anything. So the select count(*) theory isnt correct. Jeff
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