understanding output from Explain
"Seq Scan on" - is this just a FULL TABLE scan?
I'm familiar with Oracles explain plans and terminology.
But not so much so with psql...
am Sun, dem 22.04.2007, um 9:43:32 -0400 mailte Tom Allison folgendes:
"Seq Scan on" - is this just a FULL TABLE scan?
Yes.
Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net
Is there a tutorial on this stuff?
I did check the Really Fine Manual and they said explain plans are
beyond the scope RTFM.
On Apr 22, 2007, at 10:36 AM, A. Kretschmer wrote:
Show quoted text
am Sun, dem 22.04.2007, um 9:43:32 -0400 mailte Tom Allison
folgendes:"Seq Scan on" - is this just a FULL TABLE scan?
Yes.
Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net---------------------------(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