|
1 | 1 | <!--
|
2 |
| -$Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.25 2002/03/1515:55:58 momjian Exp $ |
| 2 | +$Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.26 2002/03/1516:16:31 momjian Exp $ |
3 | 3 | -->
|
4 | 4 |
|
5 | 5 | <chapter id="sql">
|
@@ -488,7 +488,7 @@ attributes are taken from. We often write a relation scheme as
|
488 | 488 |
|
489 | 489 | <listitem>
|
490 | 490 | <para>
|
491 |
| -EXCEPT (− or ∖): builds the set difference of |
| 491 | +DIFFERENCE (− or ∖): builds the set difference of |
492 | 492 | two tables. Let <classname>R</classname> and <classname>S</classname>
|
493 | 493 | again be two tables with the same
|
494 | 494 | arity. <classname>R</classname> - <classname>S</classname>
|
|