) button
in the Control Window's Joins
menu.
Although the effect is rather different, searching through a
single table for rows which match each other (refer to the same
object, as explained above) is a similar process and requires much
of the same information to be specified, mainly, what counts as
a match.
You can do this using the Internal Match Window,
obtained by using the Internal Match () button
in the Control Window's Joins
menu.