> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Adnan DURSUN > i want to be can read an execution plan when > i look at it. > So, is there any doc about how it should be read ?
You are asking how to read the output from EXPLAIN? This page is a good place to start: http://www.postgresql.org/docs/8.1/interactive/performance-tips.html ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
