employees and projects scenario, Database Management System

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Prove that a relation which is 4NF must be BCNF.   Ans Let R be in 4NF.  Suppose it is not in BCNF.  Hence, there exists an FD X→Y in R such that x is not a super key. Although

Erd, er diagram on cosmetics.

er diagram on cosmetics.

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Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,

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What are the functions of an accumulator? The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It hol

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A field-groups statement or an insert statement reverses storage space and transfers values. False.

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