158.Discuss unary, binary, and ternary relationships.Provide an example of each.
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159.Contrast data modeling to process modeling and logic modeling.
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160.What are multivalued attributes and repeating groups?Provide an example of each.
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161.What is the role of CASE in conceptual modeling?What information is placed in the CASErepository during conceptual modeling?
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162.What is a triggering operation?What components are included?Provide an example.
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Mon 26 December 2022
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Answer: B. Binary😊 👇 The most common type of relationship encountered in data modeling is relationship: Binary
Related Questions
Q1. Properties that describe the entity's characteristics are called
- A. Entity
- B. Attribute
- C. Identifier
- D. Relationship
View Answer
Q2. Which is NOT included in the definition of an entity?
- A. Person
- B. Object
- C. Concept
- D. Action
View Answer
Q3. An entity class:
- A. Contains one instance of a particular entity
- B. Contains structure or format of entity
- C. Represents something that the users want to track
- D. B and C
View Answer
Q4. Which of the following refers to an entity that logically depends on another entity?
- A. Weak entity
- B. Strong entity
- C. ID dependent entity
- D. Dependent
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Q5. An entity that associates the instances of one or more entity types and contains attributes specific to the relationships is called a (n)
- A. Associative entity
- B. Connecting entity
- C. Intersectional entity
- D. All
View Answer
Q6. A person's name, birthday, and social security number are all examples of
- A. Attributes
- B. Entities
- C. Relationships
- D. Descriptors
View Answer
Q7. Attributes that name, or identify, entity instances are called
- A. Entity
- B. Attribute
- C. Identifier
- D. Relationship
View Answer
Q8. The most common type of relationship encountered in data modeling is relationship:
- A. Unary
- B. Binary
- C. Ternary
- D. Associative
View Answer
Q9. A attribute need not be physically stored within the database.
- A. composite
- B. Multivalued
- C. single-valued
- D. derived
View Answer
Q10. In an E-R diagram, an ellipse represents a(n):
- A. Entity class
- B. Weak entity
- C. Relationship
- D. Attribute
View Answer
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