Podcast
Questions and Answers
Which of the following best describes a characteristic of a good Business Rule?
Which of the following best describes a characteristic of a good Business Rule?
- It is atomic and consists of multiple statements (correct)
- It is imprecise and unclear
- It is vague and open to interpretation
- It is distinct but redundant
What is the main purpose of a Business Rule?
What is the main purpose of a Business Rule?
- To provide vague guidelines for the business
- To confuse end users
- To complicate business processes
- To assert business structure or control business behavior (correct)
What is an Entity Type in the context of an ER Model?
What is an Entity Type in the context of an ER Model?
- A person, place, object, or concept in the user environment (correct)
- A complex algorithm in the user environment
- A single occurrence of an entity type
- A graphical representation of an entity-relationship model
What does an Entity-Relationship Diagram represent?
What does an Entity-Relationship Diagram represent?
Which of the following is a guideline for an Entity Type?
Which of the following is a guideline for an Entity Type?
What makes a good example of a Business Rule different from a poor example?
What makes a good example of a Business Rule different from a poor example?
Which type of attribute can be computed based on the stored data?
Which type of attribute can be computed based on the stored data?
What type of relationship describes features related to the association between the entities in the relationship?
What type of relationship describes features related to the association between the entities in the relationship?
What kind of identifier cannot change in value and cannot be null?
What kind of identifier cannot change in value and cannot be null?
Which type of attribute represents a property or characteristic of an entity type?
Which type of attribute represents a property or characteristic of an entity type?
What type of entity identifier uniquely identifies the individual instances of an entity type?
What type of entity identifier uniquely identifies the individual instances of an entity type?
Which type of attribute can have multiple values for a single entity instance?
Which type of attribute can have multiple values for a single entity instance?
What is the term for the degree of relationship between two entities in a relationship?
What is the term for the degree of relationship between two entities in a relationship?
Which type of attribute cannot be computed and is directly stored in the database?
Which type of attribute cannot be computed and is directly stored in the database?
What is the term for a property that uniquely identifies a record in a database table?
What is the term for a property that uniquely identifies a record in a database table?
What is the term for a relationship between specific entity instances?
What is the term for a relationship between specific entity instances?
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