Multiple Choice
Which benefit of purchased data models provides database planning and analysis by providing a first data model,which we can use to generate specific analysis questions and concrete,not hypothetical or abstract,examples of what might be in the appropriate database?
A) Validated
B) Consistent and complete
C) Cost reduction
D) Facilitates systems analysis
Correct Answer:
Verified
Correct Answer:
Verified
Q1: How many types of business rules are
Q2: There is/are _ principal type(s)of packaged data
Q4: Projects with purchased models take less time
Q5: Which business rule specifies that each instance
Q6: An entity _ is described just once
Q7: Which business rule specifies the validity of
Q8: Define unary,binary,and ternary relationships.Provide an example of
Q9: The _ rule specifies that each entity
Q10: A(n)_ is an attribute that may take
Q11: An aggregation is an association between the