alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
- <P>Last updated: Mon Oct 9 20:28:14 EDT 2006</P>
+ <P>Last updated: Sat Oct 14 19:08:19 EDT 2006</P>
<P>Current maintainer: Bruce Momjian (<A href=
"mailto:bruce@momjian.us">bruce@momjian.us</A>)
(<I>irc.freenode.net</I>). To connect you can use the Unix
program <CODE>irc -c '#postgresql' "$USER" irc.freenode.net</CODE>
or use any other IRC clients. A Spanish one also exists
- on the same network, (<I>#postgresql-es</I>), and a French one,
- (<I>#postgresqlfr</I>). There is also a PostgreSQL channel on EFNet.</P>
+ on the same network, (<I>#postgresql-es</I>), a French one,
+ (<I>#postgresqlfr</I>), and a Brazilian one, (<I>#postgresql-br</I>).
+ There is also a PostgreSQL channel on EFNet.</P>
<P>A list of commercial support companies is available at <A href=
"http://www.postgresql.org/support/professional_support">
being duplicated. PostgreSQL uses <SMALL>OID</SMALL>s to link its
internal system tables together.</P>
- <P>To uniquely number columns in user tables, it is best to use
+ <P>To uniquely number rows in user tables, it is best to use
<SMALL>SERIAL</SMALL> rather than O<SMALL>ID</SMALL>s because
<SMALL>SERIAL</SMALL> sequences are unique only within a single
table. and are therefore less likely to overflow.
<P>Multi-master replication allows read/write queries to be sent to
multiple replicated computers. This capability also has a severe impact
on performance due to the need to synchronize changes between servers.
- <A href="http://pgfoundry.org/projects/pgcluster/">Pgcluster</a> is the
+ <A href="http://pgfoundry.org/projects/pgcluster/">PGCluster</a> is the
most popular such solution freely available for PostgreSQL.</P>
<P>There are also commercial and hardware-based replication solutions