L"
>WHERE</TT
> clause, unless grouping is used, in which case
     it is the same as in the <TT
CLASS="LITERAL"
>HAVING</TT
> clause.
   </P
><P
>    If more than one table has a column of the same name, the table
    name must also be given, as in:
</P><PRE
CLASS="PROGRAMLISTING"
>SELECT tbl1.a, tbl2.a, tbl1.b FROM ...</PRE
><P>
    When working with multiple tables, it can also be useful to ask for
    all the columns of a particular table:
</P><PRE
CLASS="PROGRAMLISTING"
>SELECT tbl1.*, tbl2.a FROM ...<