Question 1 of 25
Hints left: 3
Q1
Packaged data models are meant to be exactly right straight out of the box.
Q2
There is cardinality on an EER between the supertype and subtype.
Q3
A subtype discriminator of the supertype is an attribute whose values determine the target subtype(s).
Q4
Which of the following is not one of the three ways to classify an action assertion?
Q5
An action assertion is a statement that expresses some aspect of the static structure of the organization.
Q6
A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings.
Q7
A subtype entity name should be which of the following?
Q8
An entity instance of a subtype represents the same entity instance of a supertype.
Q9
An ERD that has had the entities clustered will display more entities.
Q10
An oval represents which of the following in an EER?
Q11
An action assertion must include which of the following?
Q12
Which one of the following symbols is not used in an ERD?
Q13
Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.
Q14
With an enterprise data model, it is much easier to build applications because you know exactly what data exist and what needs to be added.
Q15
Inheritance is which of the following?
Q16
When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?
Q17
A supertype can only have only one subtype.
Q18
Use of a supertype/subtype relationship is necessary when which of the following exists?
Q19
A rectangle represents which of the following in an EER?
Q20
When an entity instance must be a member of only one subtype, it is which of the following?
Q21
Specialization is which of the following processes?
Q22
A subtype discriminator is which of the following?
Q23
Which of the following statements concerning business rules is true?
Q24
A supertype/subtype hierarchy has which of the following features?
Q25
A supertype/subtype hierarchy is which of the following?