Q. What is a primary key?
-
A.
A unique identifier for a record
-
B.
A foreign key reference
-
C.
An index for faster searches
-
D.
A type of relationship
Solution
A primary key is a unique identifier for a record in a database table, ensuring that no two records can have the same key value.
Correct Answer:
A
— A unique identifier for a record
Learn More →
Q. Which architecture is commonly used in DBMS?
-
A.
Single-tier architecture
-
B.
Two-tier architecture
-
C.
Three-tier architecture
-
D.
All of the above
Solution
All of the above architectures (single-tier, two-tier, and three-tier) are commonly used in Database Management Systems.
Correct Answer:
D
— All of the above
Learn More →
Q. Which architecture is commonly used in modern DBMS?
-
A.
Single-tier architecture
-
B.
Two-tier architecture
-
C.
Three-tier architecture
-
D.
Four-tier architecture
Solution
The three-tier architecture is commonly used in modern DBMS, separating the user interface, application logic, and database management.
Correct Answer:
C
— Three-tier architecture
Learn More →
Showing 1 to 3 of 3 (1 Pages)
