
>FROM</TT
> clause;
    they can be constant arithmetic expressions, for instance.
   </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="QUERIES-COLUMN-LABELS"
>7.3.2. Column Labels</A
></H2
><P
>    The entries in the select list can be assigned names for subsequent
    processing, such as for use in an <TT
CLASS="LITERAL"
>ORDER BY</TT
> clause
    or for display by the client application.  For example:
</P><PRE
CLASS="PROGRAMLISTING"
>SELECT a AS value, b + c AS sum FROM ...</PRE
><P>
   </P
><