Chris, > > If I do a SQL request ... does PostgreSQL use one or more processor ? > > Just one processor.
For one query, yes. For multiple queries, PostgreSQL will use multiple
processors, and that's what he's concerned about given his earlier posts.
--
Josh Berkus
Aglio Database Solutions
San Francisco
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
