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 jim@xxxxxxxxx EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
