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@ -10,7 +10,7 @@ |
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alink="#0000ff"> |
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<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1> |
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<P>Last updated: Mon Oct 9 20:28:14 EDT 2006</P> |
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<P>Last updated: Sat Oct 14 19:08:19 EDT 2006</P> |
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<P>Current maintainer: Bruce Momjian (<A href= |
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"mailto:bruce@momjian.us">bruce@momjian.us</A>) |
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@ -236,8 +236,9 @@ |
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(<I>irc.freenode.net</I>). To connect you can use the Unix |
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program <CODE>irc -c '#postgresql' "$USER" irc.freenode.net</CODE> |
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or use any other IRC clients. A Spanish one also exists |
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on the same network, (<I>#postgresql-es</I>), and a French one, |
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(<I>#postgresqlfr</I>). There is also a PostgreSQL channel on EFNet.</P> |
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on the same network, (<I>#postgresql-es</I>), a French one, |
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(<I>#postgresqlfr</I>), and a Brazilian one, (<I>#postgresql-br</I>). |
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There is also a PostgreSQL channel on EFNet.</P> |
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<P>A list of commercial support companies is available at <A href= |
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"http://www.postgresql.org/support/professional_support"> |
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@ -963,7 +964,7 @@ length</TD></TR> |
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being duplicated. PostgreSQL uses <SMALL>OID</SMALL>s to link its |
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internal system tables together.</P> |
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<P>To uniquely number columns in user tables, it is best to use |
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<P>To uniquely number rows in user tables, it is best to use |
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<SMALL>SERIAL</SMALL> rather than O<SMALL>ID</SMALL>s because |
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<SMALL>SERIAL</SMALL> sequences are unique only within a single |
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table. and are therefore less likely to overflow. |
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@ -1077,7 +1078,7 @@ length</TD></TR> |
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<P>Multi-master replication allows read/write queries to be sent to |
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multiple replicated computers. This capability also has a severe impact |
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on performance due to the need to synchronize changes between servers. |
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<A href="http://pgfoundry.org/projects/pgcluster/">Pgcluster</a> is the |
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<A href="http://pgfoundry.org/projects/pgcluster/">PGCluster</a> is the |
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most popular such solution freely available for PostgreSQL.</P> |
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<P>There are also commercial and hardware-based replication solutions |
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