Show Database mcqs, database management system multiple choice questions with answers set 4. A database management system (DBMS) is system software for developing and dealing with databases. The DBMS provides users and programmers with a systematic way to create, retrieve, replace and manage data. A DBMS makes it viable for end users to create, read, update and delete information in a database. The DBMS basically serves as an interface between the database and end users or software programs, ensuring that data is consistently organized and remains easily accessible. DBMS mcqs questions with answers set 4 contains the mcqs which covers the topics such as entity relationship model, introduction to E-R model, components of E-R model, types of entities, types of attributes, types of entity relationships, degree of relationships, ternary relationship, cardinality relationship, one-to-one relationship, one-to-many relationship, many-to-many relationship, single-values attributes, multi-valued attributes and so on.. DBMS MCQ Questions With Answers Set 41. Which Of the following refers to something that can be identified in the users work environment, something that the users want to track? Correct: C 2. Properties that describe the entity's
characteristics are called_______? Correct: C 3. Attributes that name, or identify, entity instances are called______? Correct: B 4. Customers, cars and parts are example of____? Correct: B 5. Which of the following represent the entities? Correct: D 6. An identifier may be______? Correct: D 7. Entities can be associated with one another in which of the following _____? Correct: D 8. The relationship can be: Correct: D 9. In which of the following is a single entity instance of one type
related to a single entity instance of another type? Correct: A 10. In which of the following is a single entity instance of one type related to many entity instances of another type? Correct: B 11. In which of the following can many entity instances of one type be related to many entity instances of another type? Correct: C 12. Which of the following is an example of one to one relationship? Correct: A 13. Which of the
following is an example of one to many relationship? Correct: D 14. A relationship between countries and capitals is an example of ________ relationship. Correct: A 15. Which of the following is related to modality? Correct: D 16. An entity related to itself in an ERD model refers to? Correct: A 17. A data model is _____? Correct: D 18. Which of the following indicates the maximum number of entities that can be involved in a relationship? Correct: A 19.
Which of the following refers to an entity that logically depends on another entity? Correct: C 20. In an ER diagram a rectangle represents? Correct: D
Read also>->>Database MCQs With Answers Set 1 Read also>->>Database MCQs With Answers Set 2 Read also>->>Database MCQs With Answers Set 3 Read also>->>Database MCQs With Answers Set 5 Which of the following refer to an entity that logically depends on another entity?A weak entity is an entity whose existence depends upon another entity. All ID-Dependent entities are considered weak. But there are also non-ID-dependent weak entities.
How can entities be associated with one another?A relationship between two entities signifies that the two entities are associated with each other somehow. For example, a student might enroll in a course. The entity Student is therefore related to Course, and a relationship is presented as a connector connecting between them.
What is an ID dependent entity?Entity Relationship Modeling in Database Management Systems
ID Dependent Entity: A weak entity that includes the identifier of the related strong entity. Examples of strong entities: People, Employees, Customers, Clients, Vendors, Students.
Is the one that depends on other entities for its existence?A strong entity is an entity whose existence depends on some other entity type.
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