-<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.133.2.1 2009/08/27 20:08:12 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.133.2.2 2010/06/09 16:43:52 alvherre Exp $ -->
<chapter id="sql-syntax">
<title>SQL Syntax</title>
<primary>type cast</primary>
</indexterm>
+ <indexterm>
+ <primary>::</primary>
+ </indexterm>
+
<para>
A type cast specifies a conversion from one data type to another.
<productname>PostgreSQL</productname> accepts two equivalent syntaxes