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unknow cardinality

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leetiti

leetiti

MIS
Nov 9, 2002
2
CN
if it is impossible to draw CDM diagram when you don't know
minimum cardinality is mandatory or optional.
 
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Leave cardinality as optional till you know, then change the model accordingly, the default is 0..n which is optional , i.e there may be 0 or n instances of Entity A.

Regards

Jay
 
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