inheritance, Database Management System

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what is relationship inheritance and attribute inheritance

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Describe the types of Inheritance 1.  Single inheritance 2.  Multiple inheritance 3.  Hierarchical inheritance 4.  Multilevel inheritance

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How can i turn a conceptual entity relationship diagram into a logical entity relationship diagram? what do i have to do with "mandetory or" and "optional or" relationships?

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Field, examples of fields in a database

examples of fields in a database

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Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.

E-commerce and business intelligence systems., Your friend owns and operate...

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