158.Discuss unary, binary, and ternary relationships.Provide an example of each. Show Get answer to your question and much more 159.Contrast data modeling to process modeling and logic modeling. Get answer to your question and much more
160.What are multivalued attributes and repeating groups?Provide an example of each. Get answer to your question and much more 161.What is the role of CASE in conceptual modeling?What information is placed in the CASErepository during conceptual modeling? Get answer to your question and much more 162.What is a triggering operation?What components are included?Provide an example. Get answer to your question and much more
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Answer: B. Binaryđ đ The most common type of relationship encountered in data modeling is relationship: Binary Related QuestionsQ1. Properties that describe the entity's characteristics are called
View Answer Q2. Which is NOT included in the definition of an entity?
View Answer Q3. An entity class:
View Answer Q4. Which of the following refers to an entity that logically depends on another entity?
View Answer Q5. An entity that associates the instances of one or more entity types and contains attributes specific to the relationships is called a (n)
View Answer Q6. A person's name, birthday, and social security number are all examples of
View Answer Q7. Attributes that name, or identify, entity instances are called
View Answer Q8. The most common type of relationship encountered in data modeling is relationship:
View Answer Q9. A attribute need not be physically stored within the database.
View Answer Q10. In an E-R diagram, an ellipse represents a(n):
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What is the most common format used for data modeling?Relational: Although âolderâ in approach, the most common database model still in use today is relational, which stores the data in fixed-format records and arranges data in tables with rows and columns.
What are the most common entity relationships in database?The most common type of database relationship is one-to-many or 1: N. A One-to-many relationship means that each single instance of one entity can be connected with multiple instances of another entity.
Which of the following data models addresses many to many relationship?ternary relationship: a relationship type that involves many to many relationships between three tables.
What is a relationship called when it is maintained between two entities?Relationship Degree. Indicates the number of entities or participants associated with a relationship. Unary relationship: Association is maintained within a single entity. Recursive relationship: Relationship exists between occurrences of the same entity set. Binary relationship: Two entities are associated.
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