datamodels, Database Management System

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explain thee diffrent types of data models

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Keys, it can be possible to create any table without primary key

it can be possible to create any table without primary key

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Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin

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Differentiate between a unique key and a primary key. - By default, clustered index on column are created by primary key while nonclustered index are created by unique key.

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