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Saving Derived Attributes to Avoid Re-computation
Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define new classes and objects and these derived classes must be updated if any of the base objects is changed.
sir, could anybody help me in getting complete information about the mentioned topic
Construct an ER diagram for a hospital along with a set of patients and a set of medical doctors Associate with every patient a log of the several tests and examinations conducted.
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Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
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how the string works as keyword?
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