Multiple Choice
Which benefit of purchased data models refers to the fact that they are very general,covering almost all options employed by the associated functional area or industry?
A) Consistent and complete
B) Validated
C) Cost reduction
D) Facilitates systems analysis
Correct Answer:
Verified
Correct Answer:
Verified
Q72: Domain definitions typically specify some (or all)of
Q73: An entity instance (also known simply as
Q74: A(n)_ is an attribute that has meaningful
Q75: The disjoint rule specifies that if an
Q76: Operations can be classified into four types,depending
Q78: A physical data model is a detailed
Q79: A relationship definition explains what action is
Q80: A unary relationship is a relationship between
Q81: A _ relationship is a relationship between
Q82: An entity _ is a single occurrence