Sail E0 Webinar

MCQs

Total Questions : 61 | Page 2 of 7 pages
Question 11. Properties that describe the characteristics of entities are called:
  1.    entities.
  2.    attributes.
  3.    identifiers.
  4.    relationships.
 Discuss Question
Answer: Option B. -> attributes.
Question 12. Entities of a given type are grouped into a(n):
  1.    database.
  2.    entity class.
  3.    attribute.
  4.    ERD.
 Discuss Question
Answer: Option B. -> entity class.
Question 13. Which of the following is NOT a basic element of all versions of the E-R model?
  1.    Entities
  2.    Attributes
  3.    Relationships
  4.    Primary keys
 Discuss Question
Answer: Option D. -> Primary keys
Question 14. Entities can be associated with one another in which of the following?
  1.    Entities
  2.    Attributes
  3.    Identifiers
  4.    Relationships
 Discuss Question
Answer: Option D. -> Relationships
Question 15. In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
  1.    parent
  2.    child
  3.    instance
  4.    subtype
 Discuss Question
Answer: Option B. -> child
Question 16. An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 17. A ternary relationship is so called because in contains two entities and one association between them.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 18. All instances of an entity class have the same attributes.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 19. A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 20. An attribute describes the entity's characteristics.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0