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Define weak and strong entity sets?
Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets.
Strong entity set: Entity set that has a primary key is term a strong entity set.
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Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
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Describe the storage structure of indexed sequential files and their access method. Ans: Index offers a lookup capability to rapidly reach the vicinity of the desired record.
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how map binary relation one to one
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