Core Computer Science & MCA Entrance (SQL, OS, Networks & NIMCET)

Database Management Systems & SQL Queries Theory & Problems question bank (Database Management Systems & SQL Queries)

Practice 42 free Core Computer Science & MCA Entrance (SQL, OS, Networks & NIMCET) Database Management Systems & SQL Queries - Database Management Systems & SQL Queries Theory & Problems questions with answers and step-by-step solutions.

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Q1.

[Core Computer Science & NIMCET - (Question #1)]
In Relational Database Management Systems, which normal form eliminates transitive functional dependencies?

(A)

{'key': 'A', 'text': 'Third Normal Form (3NF)'}

(B)

{'key': 'B', 'text': 'Second Normal Form (2NF)'}

(C)

{'key': 'C', 'text': 'First Normal Form (1NF)'}

(D)

{'key': 'D', 'text': 'Boyce-Codd Normal Form (BCNF)'}

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Q2.

[Core Computer Science & NIMCET - (Question #4)]
What is the maximum number of nodes in a binary tree of height h (where height of root is 0)?

(A)

{'key': 'A', 'text': '$2^{h+1} - 1$'}

(B)

{'key': 'B', 'text': '$2^h - 1$'}

(C)

{'key': 'C', 'text': '$2^{h-1}$'}

(D)

{'key': 'D', 'text': '$h^2 + 1$'}

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