From: Bruce Momjian Date: Fri, 19 May 2006 03:34:49 +0000 (+0000) Subject: Backpatch FAQs to 8.1.X. X-Git-Tag: REL8_1_4~10 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=95d8b6a7b4e1c50330ef28ec4922e940a6b44979;p=postgresql Backpatch FAQs to 8.1.X. --- diff --git a/doc/FAQ b/doc/FAQ index dcbe129127..d2c686839d 100644 --- a/doc/FAQ +++ b/doc/FAQ @@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Wed Apr 12 16:03:39 EDT 2006 + Last updated: Thu Apr 13 08:20:04 EDT 2006 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -270,11 +270,12 @@ Addison-Wesley. Others like The Complete Reference SQL, Groff et al., McGraw-Hill. - There is also a nice tutorial at - http://www.intermedia.net/support/sql/sqltut.shtm, at - http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM, - and at http://sqlcourse.com. - + There are also many nice tutorials available online: + * http://www.intermedia.net/support/sql/sqltut.shtm + * http://sqlcourse.com + * http://www.w3schools.com/sql/default.asp + * http://mysite.verizon.net/Graeme_Birchall/id1.html + 1.12) How do I submit a patch or join the development team? See the Developer's FAQ. @@ -568,9 +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/FAQ_AIX b/doc/FAQ_AIX index 0e236d4df4..2d349ebf45 100644 --- a/doc/FAQ_AIX +++ b/doc/FAQ_AIX @@ -1,5 +1,5 @@ From: Zeugswetter Andreas -$Date: 2006/04/13 11:42:35 $ +$Date: 2006/05/19 03:34:49 $ On AIX 4.3.2 PostgreSQL compiled with the native IBM compiler xlc (vac.C 5.0.1) passes all regression tests. Other versions of OS and diff --git a/doc/FAQ_DEV b/doc/FAQ_DEV index 77fe10d377..240e38d6e4 100644 --- a/doc/FAQ_DEV +++ b/doc/FAQ_DEV @@ -1,7 +1,7 @@ Developer's Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Wed Mar 1 17:24:48 EST 2006 + Last updated: Fri May 5 05:51:42 EDT 2006 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -575,7 +575,7 @@ General Questions * SQL:1999 http://www.cse.iitb.ac.in/dbms/Data/Papers-Other/SQL1999/ansi-iso- 9075-2-1999.pdf - * SQL:2003 http://www.wiscorp.com/sql/sql_2003_standard.zip + * SQL:2003 http://www.wiscorp.com/sql_2003_standard.zip Some SQL standards web pages are: * http://troels.arvin.dk/db/rdbms/links/#standards diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index c3512b6135..55f087379e 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -10,7 +10,7 @@ alink="#0000ff">

Frequently Asked Questions (FAQ) for PostgreSQL

-

Last updated: Wed Apr 12 16:03:39 EDT 2006

+

Last updated: Thu Apr 13 08:20:04 EDT 2006

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -356,14 +356,21 @@ Bowman, Judith S., et al., Addison-Wesley. Others like The Complete Reference SQL, Groff et al., McGraw-Hill.

-

There is also a nice tutorial at http://www.intermedia.net/support/sql/sqltut.shtm, - at - http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM, - and at http://sqlcourse.com.

- +

There are also many nice tutorials available online: +

+

1.12) How do I submit a patch or join the development team?

@@ -741,7 +748,7 @@ table?unlimited

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.

+ 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.