Re: doc fix

Patrick Welche writes:

> I think this is right..

No, it's talking about relational algebra, not SQL.

>
> Patrick
>
> Index: sql.sgml
> ===================================================================
> RCS file: /projects/cvsroot/pgsql/doc/src/sgml/sql.sgml,v
> retrieving revision 1.24
> diff -p -r1.24 sql.sgml
> *** sql.sgml    2001/10/23 16:42:36    1.24
> --- sql.sgml    2002/02/11 15:37:47
> *************** attributes are taken from. We often writ
> *** 488,494 ****
>
>         <listitem>
>          <para>
> !     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 (− 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>
>

--
Peter Eisentraut   peter_e@gmx.net