adplus-dvertising
frame-decoration

Question

What is a Primary Key in the context of a database table?

a.

A key used for encryption in databases

b.

A unique identifier for a database table

c.

A key used for data entry in databases

d.

A key used for database indexing

Posted under Data Warehousing and OLAP

Answer: (b).A unique identifier for a database table Explanation:A Primary Key is one or more fields or attributes that uniquely identify each record in a database table.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is a Primary Key in the context of a database table?
Add Comment

Similar Questions

Discover Related MCQs

Q. What is a Punch Card, and how was it used in old computer systems?

View solution

Q. What is the purpose of a Query in computing?

View solution

Q. What is a Query Governor in the context of a DBMS?

View solution

Q. What does RAID stand for, and what is its purpose in disk storage?

View solution

Q. What does RDBMS stand for, and what is its purpose?

View solution

Q. What is Referential Integrity in the context of relational tables?

View solution

Q. What is Replication, and how is it carried out?

View solution

Q. What is Reverse Engineering in the context of databases?

View solution

Q. What does ROA stand for, and what does it measure?

View solution

Q. What does ROI stand for, and what does it measure?

View solution

Q. What does ROLAP stand for, and how does it process analytical data?

View solution

Q. What does "Roll Up" mean in the context of data analysis?

View solution

Q. What is Scalability, and what does it entail?

View solution

Q. What is a Schema in the context of databases?

View solution

Q. What is the purpose of a Scorecard in the context of reporting?

View solution

Q. What does "Slice and Dice" refer to in the context of data analysis?

View solution

Q. What does SMP stand for, and what architecture does it utilize for parallel server hardware?

View solution

Q. What is a Snowflake Schema, and why is it not generally recommended?

View solution

Q. What does Sparsity indicate in the context of a data warehouse?

View solution

Q. What does SQL stand for, and what role does it play in relational databases?

View solution
View All MCQs on Data Warehousing and OLAP

Suggested Topics

Are you eager to expand your knowledge beyond Data Warehousing and OLAP? 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!

UNIX

Become proficient with the Unix operating system using our UNIX MCQs. Learn about...

MongoDB

Learn the leading NoSQL database with our MongoDB MCQs. Understand everything from...

MySQL Database

Enhance your knowledge of relational databases with our MySQL MCQs. Understand...

Wireless and Mobile Communications

Get to grips with modern communication technologies with our Wireless and Mobile...

Java Spring Framework

Enhance your Java development skills with our Spring Framework MCQs. Learn about...

PHP

Venture into server-side scripting with our PHP MCQs. Cover everything from syntax...

Artificial Intelligence

Get started on the path to the future with our Artificial Intelligence MCQs. Covering...

Web Technologies

Master the building blocks of the web with our Web Technologies MCQs. From HTML and...

Cyber Security

Understand the fundamentals of safeguarding digital assets with our Cyber Security...