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Fix for docs from Patrick Welche:

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! 	DIFFERENCE (− or ∖): builds the set difference of
  	two tables. Let <classname>R</classname> and
<classname>S</classname>
again be two tables with the same
  	arity. <classname>R</classname> - <classname>S</classname>
--- 488,494 ----

        <listitem>
        <para>
! 	EXCEPT (&minus; or &setmn;): builds the set difference of
This commit is contained in:
Bruce Momjian
2002-03-15 15:55:58 +00:00
parent a2b5512929
commit 5c1dc0280e
1 changed files with 2 additions and 2 deletions
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4
doc/src/sgml/sql.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.24 2001/10/23 16:42:36 momjian Exp $ $Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.25 2002/03/15 15:55:58 momjian Exp $
--> -->
<chapter id="sql"> <chapter id="sql">
@ -488,7 +488,7 @@ attributes are taken from. We often write a relation scheme as
<listitem> <listitem>
<para> <para>
DIFFERENCE (&minus; or &setmn;): builds the set difference of EXCEPT (&minus; or &setmn;): builds the set difference of
two tables. Let <classname>R</classname> and <classname>S</classname> two tables. Let <classname>R</classname> and <classname>S</classname>
again be two tables with the same again be two tables with the same
arity. <classname>R</classname> - <classname>S</classname> arity. <classname>R</classname> - <classname>S</classname>