Question

In a relation schema, each key of schema having more than one key is classified as

a.

candidate key

b.

super key

c.

simple key

d.

parallel key

Posted under DBMS

Answer: (a).candidate key

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. In a relation schema, each key of schema having more than one key is classified as

Add Comment

Similar Questions

Discover Related MCQs

Q. In the data model schemas, the constraints that are can not be expressed directly are classified as

View solution

Q. The cardinality in relational data model is considered as

View solution

Q. The constraint violated when the given value of attribute is not included in the corresponding domain is

View solution

Q. If two or more constraints are violated by using insert operation then by default the

View solution

Q. In the data model, the inherent constraints are classified as

View solution

Q. The multi-valued dependencies and functional dependencies are classified as category of

View solution

Q. The model in which the multi-valued and composite attributes is considered as

View solution

Q. The type of constraint in which value of each attribute (X) must be an indivisible value from domain (X) is classified as

View solution

Q. The constraints which deals with the changes in the database are classified as

View solution

Q. The multivalued dependencies used to develop relational design theory of database is classified as

View solution

Q. In the data model schemas, the constraints that are expressed directly are classified as

View solution

Q. In relational database schemas, the transition constraints are also known as

View solution

Q. A row of table in relational model terminology is classified as

View solution

Q. The constraint which is used to specify the consistency in two or more relations among tuples is classified as

View solution

Q. The ordered list of all the n-values is classified as

View solution

Q. The state in which the database follows all the integrity constraints is classified as

View solution

Q. The column header of table in relational model terminology is classified as

View solution

Q. The operation which violates only one constraint called referential integrity when it is performed is called

View solution

Q. The distribution in which each row denote some related values collection is classified as

View solution

Q. When the foreign key refers to a tuple which does not exists in subjected relation then the constraint violated is

View solution

View All MCQs on DBMS

Suggested Topics

Are you eager to expand your knowledge beyond DBMS? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Digital Communication

Master the basics of electronic communication with our Digital Communication MCQs....

Management Information Systems

Discover how businesses leverage technology with our Management Information Systems...

R Programming

Unleash the power of statistical computing with our R Programming MCQs. Topics cover...

Microprocessor

Understand the heart of your computer with our Microprocessor MCQs. Topics include...

Digital Image Processing (DIP)

Delve into the techniques of enhancing digital images with our Digital Image...

Object Oriented Programming

Enhance your coding skills with our Object Oriented Programming MCQs. Understand...

Visual Basic

Enhance your knowledge of Microsoft's event-driven programming language with our...

Cloud Computing

Stay on top of the biggest trend in IT with our Cloud Computing MCQs. These questions...

Formal Languages and Automata Theory

Discover the mathematical models of computation with our Formal Languages and...