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E-R model |
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Semantic object model |
| 1. |
Things are represented in the form of "entities".
|
1. |
Things are represented is the form of "semantic objects" or simply "objects".
|
| 2. |
It uses attributes to define things.
|
2. |
It also uses attributes to. define objects.
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| 3. |
Relationship among entities is shown through attributes.
|
3. |
Relationship among objects is shown through objects.
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| 4. |
Cardinality is not shown with attributes.
|
4. |
Cardinality is shown with attributes. |
