DBMS-Entity Relationship (E-R) Model Questions and Answers
The Entity Relationship (E-R) Model is a key database design concept in DBMS that represents real-world data relationships. These programming interview questions with answers help you master how entities, attributes, and relationships interact within a database schema. Understanding E-R diagrams is essential for database normalization, query design, and relational mapping — skills highly valued in Infosys, TCS, Capgemini, and Wipro technical interviews. Practicing DBMS E-R Model questions with answers ensures conceptual clarity and improves your ability to design and interpret data models. Start now to enhance your database fundamentals and succeed in both academic and placement-level assessments.
DBMS-Entity Relationship (E-R) Model
Showing 10 of
38 questions
2. E-R modelling is a high-level conceptual data model developed to facilitate database design.
- TRUE
- FALSE
3. E-R model is dependent on a particular database management system (DBMS) and hardware platform.
- TRUE
- FALSE
4. A binary relationship exists when an association is maintained within a single entity.
- TRUE
- FALSE
5. A weak entity type is independent on the existence of another entity.
- TRUE
- FALSE
6. An entity type is a group of objects with the same properties, which are identified by the enterprise as having an independent existence.
- TRUE
- FALSE
8. An entity instance is a uniquely identificable object of an entity type
- TRUE
- FALSE
9. A relationship is an association among two or more entities that is of interesdt to the enterprise.
- TRUE
- FALSE
10. The participation is optional if an entity's existence requires the existence of an associated entity in a particular relationship.
- TRUE
- FALSE