What does this mean?

From: John Eggert <eggert_at_sympatico.ca>
Date: Wed, 31 Jul 2002 21:58:30 +0000
Message-ID: <vA029.2105$sI2.1146500_at_news20.bellglobal.com>

In Date's "manifesto" and "introduction to databases systems" he uses the following format

<foo> ::=

        <bar>

Could someone translate that into english for me?

I.E. what the heck does ::= mean?

Thanks.

JE Received on Wed Jul 31 2002 - 23:58:30 CEST