Re: many to many relationship

In message <7Ut9a.10601$Lq.823680_at_stones>, john <nospam_at_nospam.com> writes
>hi,
>
>why is it that a many to many relationship should be changed so that a one
>to many table links the two?

Logical data structures always use link-entities to break a many to many relationship into two or more simpler ones. It's usually worth taking a close look at link-entities because they often correspond to real-world entities that might otherwise be overlooked.

-- 
Bernard Peek
bap_at_shrdlu.com
www.diversebooks.com: SF & Computing book reviews and more.....

In search of cognoscenti