Multiple-Choice Questions on Database Management System for TU IT Officer
Multiple-Choice Questions on Database Management System for IT Officer Exams Database Management System and Its Applications What is a primary function of a Database Management System (DBMS)? a) To design user interfaces b) To manage and organize data efficiently c) To compile application code d) To manage network protocols Answer : b) To manage and organize data efficiently Explanation : A DBMS provides an interface to store, retrieve, and manage data, ensuring data integrity and efficient access. Which application commonly uses a DBMS? a) Word processing b) Banking systems c) Image editing d) Operating system management Answer : b) Banking systems Explanation : DBMS is widely used in banking for managing transactions, customer data, and accounts due to its reliability and security features. ER Modeling What does an entity represent in an ER diagram? a) A relationship between tables b) A real-world object with attributes c) A database query d) A normalization rule Answer : b) A ...