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Vikrant Kailash Dash

Asked: 3 years agoIn: Rdbms

Which of the following set operations is not commutative?

(a) Union

(b) Intersection

(c) Set difference

(d) None of the mentioned

Fardeen Rao Issac

Asked: 3 years agoIn: Rdbms

State true or false: Password leakage is a major security problem

(a) True

(b) False

I have been asked this question in an online quiz.

My doubt is from Application Security in chapter Application Design and Development of RDBMS

Manoj Ricky Munshi

Asked: 3 years agoIn: Rdbms

A transaction can proceed only after the concurrency control manager ________ the lock to the transaction

(a) Grants

(b) Requests

(c) Allocates

(d) None of the mentioned

Kamini Binnani

Asked: 3 years agoIn: Rdbms

What does the notnull integrity constraint do?

(a) It ensures that at least one tuple is present in the relation

(b) It ensures that at least one foreign key is present in the relation

(c) It ensures that all tuples have a finite value on a specified attribute

(d) It ensures that all tuples have finite attributes on all the relations

Amir Ben

Asked: 3 years agoIn: Rdbms

State true or false: SQL specifies a way of mentioning functional dependencies

(a) True

(b) False

I had been asked this question in unit test.

The question is from Decomposition Algorithms in chapter Relational Database Design of RDBMS

Karim Karnik

Asked: 3 years agoIn: Rdbms

Choose the correct statement regarding superkeys

(a) A superkey is an attribute or a group of multiple attributes that can uniquely identify a tuple

(b) A superkey is a tuple or a set of multiple tuples that can uniquely identify an attribute

(c) Every superkey is a candidate key

(d) A superkey is an attribute or a set of attributes that distinguish the relation from other relations

Nagma Mohan Pandya

Asked: 3 years agoIn: Rdbms

Which of the following normal forms does not exist?

(a) BCNF

(b) PJNF

(c) 5NF

(d) None of the mentioned

Ananya Sangha

Asked: 3 years agoIn: Rdbms

State true or false: Crosstabs are not desirable in a database design

(a) True

(b) False

I have been asked this question in an online quiz.

This intriguing question comes from Normal Forms topic in portion Relational Database Design of RDBMS

Arvind Kar

Asked: 3 years agoIn: Rdbms

The space overhead in dynamic hashing is ________ than that of static hashing

(a) More

(b) Less

(c) Equal

(d) None of the mentioned

Anand Radhe Luthra

Asked: 3 years agoIn: Rdbms

What is a bucket overflow?

(a) When a bucket does not have enough space

(b) There are insufficient buckets

(c) When Bucket skew occurs

(d) All of the mentioned

Load More Questions

Rdbms

Which of the following set operations is not commutative?

(a) Union

(b) Intersection

(c) Set difference

(d) None of the mentioned

State true or false: Password leakage is a major security problem

(a) True

(b) False

I have been asked this question in an online quiz.

My doubt is from Application Security in chapter Application Design and Development of RDBMS

A transaction can proceed only after the concurrency control manager ________ the lock to the transaction

(a) Grants

(b) Requests

(c) Allocates

(d) None of the mentioned

State true or false: SQL specifies a way of mentioning functional dependencies

(a) True

(b) False

I had been asked this question in unit test.

The question is from Decomposition Algorithms in chapter Relational Database Design of RDBMS

Which of the following normal forms does not exist?

(a) BCNF

(b) PJNF

(c) 5NF

(d) None of the mentioned

State true or false: Crosstabs are not desirable in a database design

(a) True

(b) False

I have been asked this question in an online quiz.

This intriguing question comes from Normal Forms topic in portion Relational Database Design of RDBMS

The space overhead in dynamic hashing is ________ than that of static hashing

(a) More

(b) Less

(c) Equal

(d) None of the mentioned

What is a bucket overflow?

(a) When a bucket does not have enough space

(b) There are insufficient buckets

(c) When Bucket skew occurs

(d) All of the mentioned

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