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Database Systems Tests

Decomposition using Functional Dependencies MCQ with Answers PDF Download

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Database Systems: Decomposition using Functional Dependencies MCQs PDF Download

MCQ: The functional dependencies are used for

A) Testing instances of relations
B) Specify constraints on legal relations
C) Both A and B
D) Specifying Domain

MCQ: The schema for relation r, with 'R' denoting the set of attributes, can be expressed by the notation

A) r
B) R
C) r(R)
D) R (r)

MCQ: The definition of 3NF permits certain functional dependencies that are not allowed in

B) 1NF
C) 2NF
D) 3NF

MCQ: For relations, the best practice is to use a

A) Sentencecase name
B) Uppercase name
C) Lowercase name
D) First-letter capital case

MCQ: An instance of a relation that satisfies all real-world constraints is called a

A) Associated instance
B) Legal instance
C) Participant instance
D) Domain instance

Practice Tests: Database Systems Exam Prep

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