What is a column in a relational database table formally called? MCQ with Answer and Explanation

Question
What is a column in a relational database table formally called?
A. Attribute
B. Degree
C. Entity
D. Tuple
Answer: Option A
Solution (By JKSSB Mock Tests)
A column in a database table represents a property or characteristic of the entity and is formally known as an attribute.
This question belongs to: Computer Database Management System (DBMS)
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Practice More Database Management System (DBMS) Questions

Question #1
What is a pivot table in a database context?
A. A stored procedure
B. A view
C. A type of index
D. A technique to rotate rows into columns for data summarization
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Correct Answer: Option D

Explanation:
Pivoting transforms data by turning unique values from one column into multiple columns, often for reporting.
This question belongs to: Computer Database Management System (DBMS)
Question #2
Which of the following is NOT an aggregate function in standard SQL?
A. LENGTH()
B. SUM()
C. AVG()
D. COUNT()
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Correct Answer: Option A

Explanation:
SUM(), AVG(), and COUNT() are aggregate functions operating on multiple rows, whereas LENGTH() is a scalar function acting on a single text value.
This question belongs to: Computer Database Management System (DBMS)
Question #3
Which of the following is a method to avoid deadlock?
A. Lock ordering
B. All of the above
C. Deadlock detection and resolution
D. Using a timeout
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Correct Answer: Option B

Explanation:
Strategies to handle deadlocks include timeout, lock ordering, and detection with rollback.
This question belongs to: Computer Database Management System (DBMS)
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