Explore topic-wise MCQs in Computer Science.

This section includes 155 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

151.

Which of the following is a database administrator's function?

A. database design
B. backing up the database
C. performance monitoring
D. user coordination
Answer» E.
Discussion
152.

In SQL, the command(s) is(are) used to create an index for a table or cluster

A. CREATE INDEX
B. MODIFY INDEX
C. SET INDEX TO FILE
D. All of the above
Answer» B. MODIFY INDEX
Discussion
153.

After you _____ a record, many data management the environments require you to issue a command to save the changes you made.

A. Delete
B. Update
C. Sort key
D. Index
Answer» C. Sort key
Discussion
154.

In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.

A. Network database
B. Relational database
C. Distributed database
D. Hierarchical database
Answer» E.
Discussion
155.

Which of the following is not a logical data-base structure?

A. tree
B. relational
C. network
D. chain
Answer» E.
Discussion