diff options
| -rw-r--r-- | doc/FAQ | 8 | ||||
| -rw-r--r-- | doc/src/FAQ/FAQ.html | 6 |
2 files changed, 7 insertions, 7 deletions
@@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Thu Apr 13 08:14:25 EDT 2006 + Last updated: Thu Apr 13 08:20:04 EDT 2006 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -569,9 +569,9 @@ Indexes are normally not used for ORDER BY or to perform joins. A sequential scan followed by an explicit sort is usually faster than an - index scan of a large table. - However, LIMIT combined with ORDER BY often will use an index because - only a small portion of the table is returned. + index scan of a large table. However, LIMIT combined with ORDER BY + often will use an index because only a small portion of the table is + returned. If you believe the optimizer is incorrect in choosing a sequential scan, use SET enable_seqscan TO 'off' and run query again to see if an diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index 9ec6075593f..55f087379ea 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -10,7 +10,7 @@ alink="#0000ff"> <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1> - <P>Last updated: Thu Apr 13 08:14:25 EDT 2006</P> + <P>Last updated: Thu Apr 13 08:20:04 EDT 2006</P> <P>Current maintainer: Bruce Momjian (<A href= "mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>) @@ -361,7 +361,7 @@ <LI> <A href="http://www.intermedia.net/support/sql/sqltut.shtm">http://www.intermedia.net/support/sql/sqltut.shtm</A> </LI> <LI> - <A href="http://sqlcourse.com/">http://sqlcourse.com</A></P> + <A href="http://sqlcourse.com/">http://sqlcourse.com</A> </LI> <LI> <A href="http://www.w3schools.com/sql/default.asp">http://www.w3schools.com/sql/default.asp</A> @@ -748,7 +748,7 @@ table?</TD><TD>unlimited</TD></TR> <P>Indexes are normally not used for <SMALL>ORDER BY</SMALL> or to perform joins. A sequential scan followed by an explicit sort is - usually faster than an index scan of a large table.</P> + usually faster than an index scan of a large table. However, <SMALL>LIMIT</SMALL> combined with <SMALL>ORDER BY</SMALL> often will use an index because only a small portion of the table is returned.</P> |