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what is the differene between class diagram and er diagram .....pls ex

Former Member
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what is the differene between class diagram and er diagram .....pls explain with examples

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<b>Diff btw Class Diagrams and ERD's:</b>

Class diagrams and ERDs both model the structure of a system. Class diagrams

represent the dynamic aspects of a system: both the structural and behavioural features.

ERDs, depicting only structural features provide a static view of the system.

Elements of a class diagram:

>class

>association

>binary

>n-ary

>Aggregation

>Composition

>Generalization

>Dependency

>Realization

>Association Classes

Elements of Entity Relationship Diagrams:

>Entity - A data attribute is a property common to an entity.

Check this link

www.cdf.toronto.edu/~csc340h/summer/tutorials/TutorialClassERD.pdf

Regards,

Pavan.

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