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Home -> Community -> Usenet -> comp.databases.theory -> Re: Cyclical Relation.
User UserMessage Message
-------- ------------- --------
IdUser IdMessage IdMessage
Name IdUser ( who receives ) Date
Active Title
Body
IdUser ( user who sent the message )
There is a relation between User and Message 1:M when the user writes a
message.
There is a relation between User and Message M:M when the user receives a
message.
Can be this a solution??.
Regards.. Received on Tue Apr 24 2001 - 10:09:37 CDT
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