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Backpatch FAQs to 8.1.X.

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REL8_1_STABLE
Bruce Momjian 20 years ago
parent 9a27f72b37
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  1. 19
      doc/FAQ
  2. 2
      doc/FAQ_AIX
  3. 4
      doc/FAQ_DEV
  4. 27
      doc/src/FAQ/FAQ.html

19
doc/FAQ
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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

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doc/FAQ_AIX
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From: Zeugswetter Andreas <ZeugswetterA@spardat.at>
$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

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doc/FAQ_DEV
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@ -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

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doc/src/FAQ/FAQ.html
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alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
<P>Last updated: Wed Apr 12 16:03:39 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>)
@ -356,14 +356,21 @@
Bowman, Judith S., et al., Addison-Wesley. Others like <I>The
Complete Reference SQL</I>, Groff et al., McGraw-Hill.</P>
<P>There is also a nice tutorial at <A href=
"http://www.intermedia.net/support/sql/sqltut.shtm">http://www.intermedia.net/support/sql/sqltut.shtm,</A>
at <A href=
"http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM">
http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM,</A>
and at <A href=
"http://sqlcourse.com/">http://sqlcourse.com.</A></P>
<P>There are also many nice tutorials available online:
<UL>
<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>
</LI>
<LI>
<A href="http://www.w3schools.com/sql/default.asp">http://www.w3schools.com/sql/default.asp</A>
</LI>
<LI><A href=
"http://mysite.verizon.net/Graeme_Birchall/id1.html">http://mysite.verizon.net/Graeme_Birchall/id1.html</A>
</LI>
</UL>
<H3 id="item1.12">1.12) How do I submit a patch or join the development
team?</H3>
@ -741,7 +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>

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