Difference between revisions of "Category talk:Cardinality Constraint"

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change made  --[[User:Jay Lyle|Jay Lyle]] 16:59, 28 February 2012 (EST)
 
change made  --[[User:Jay Lyle|Jay Lyle]] 16:59, 28 February 2012 (EST)
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--[[User:Stephen Chu|Stephen Chu]] 11 July 2012 
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It will be useful to articulate the relationship of "cardinality" with two other concepts: "obligation" and "occurrences".
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"Cardinality" encapsulates these two concepts.

Revision as of 16:31, 10 July 2012

A cardinality constraint limits the number of instances of an element that can exist in a given relationship in a clinical model - for example '0..1', '1..Many'.

[JL: added "for an element"; replaced "of a given data item" with "in a given relationship"

change made --Jay Lyle 16:59, 28 February 2012 (EST)

--Stephen Chu 11 July 2012 It will be useful to articulate the relationship of "cardinality" with two other concepts: "obligation" and "occurrences". "Cardinality" encapsulates these two concepts.