On Tuesday, March 4, 2003, at 08:55 AM, Leszek Gawron wrote:
I've been fighting with this all day and cannot find a cause. I'm using quite
fresh esql implementation to access Pervasive SQL 2000 database. The problem
is I have to pull 5500 rows from database. Performing query in Squirell SQL it
takes 3 second to execute and 16 to build output table (build squirell view).
The same query executed under cocoon takes 3.5 MINUTES! I'm desperate.
Pervasive is a weird database (the SQL access is built on very low lewel
core).

We are in the process of switching from pervasive to postgresql for performance reasons. We have a 70k record table that takes *10 MINUTES* to do a "SELECT COUNT(col) FROM table WHERE col2 = X" when col2 is indexed. I have also noticed a very quick and steady decrease in performance doing "SELECT COUNT(col) FROM table", *no where clause*, as records are added.


My advice is to move from pervasive as fast as you can :)
-pete


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