What is the main advantage of using a DBMS? MCQ with Answer and Explanation

Question
What is the main advantage of using a DBMS?
A. Reduced application development time
B. Data integrity and security
C. Data sharing and concurrency control
D. All of the above
Answer: Option D
Solution (By JKExamLibrary)
DBMS provides numerous benefits including data sharing, concurrency control, integrity, security, and reduces development time.
This question belongs to: Computer Database Management System (DBMS)

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Practice More Database Management System (DBMS) Questions

Question #1
Which of the following commands is a part of Transaction Control Language (TCL) in SQL?
A. DELETE
B. ALTER
C. COMMIT
D. GRANT
Discuss

Correct Answer: Option C

Explanation:
COMMIT is a TCL command used to permanently save all modifications made during the current transaction into the database.
This question belongs to: Computer Database Management System (DBMS)
Question #2
What is the purpose of the SQL GROUP BY ... HAVING combination?
A. To select individual rows
B. To filter groups based on aggregate values
C. To join groups
D. To sort groups
Discuss

Correct Answer: Option B

Explanation:
HAVING is used in conjunction with GROUP BY to filter groups based on conditions applied to aggregate functions.
This question belongs to: Computer Database Management System (DBMS)
Question #3
Which of the following database concepts deals with grouping a set of SQL statements into a single logical unit of execution?
A. Indexing
B. View definition
C. Normalization
D. Transaction
Discuss

Correct Answer: Option D

Explanation:
A Transaction is a sequence of one or more SQL operations treated as a single, indivisible unit of work that must either succeed completely or fail completely.
This question belongs to: Computer Database Management System (DBMS)
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