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