On Wed, 24 Jun 2009 21:24:32 +0530 wrote >Most of the tools do work that way. Which way? Supporting only single table? or with multiple tables? > As a simple point you can form a >temporary table containing all of the results for the purposes of a > single process. What Database or wrapper are you using? I use mySQL. But I assume that the problem is a common one. Isn't this a very common case? Having only a single table is unrealistic for me. Regards, Michael