On Nov 18, 2006, at 3:15 AM, rakesh kumar wrote:
How is the startup cost estimated in postgresql . Can u give me an example with necessary calculations .
                                       thanks .

Assuming you're talking about estimates from EXPLAIN/EXPLAIN ANALYZE, the startup cost is the estimate of how much work it will take to generate the first row from an operation.
--
Jim Nasby                                            [EMAIL PROTECTED]
EnterpriseDB      http://enterprisedb.com      512.569.9461 (cell)



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