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What is E-R model?
This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a database by a set of attributes.
What are composite attributes? Composite attributes can be separated in to sub parts.
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
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In object oriented design, which steps must designer take to adjust inheritance? To readjust inheritance following steps should be taken: i) Rearrange and adjust the classe
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