Which of the following is a criteria for making a good data model?
A) A good data model is simple.
B) A good data model is essentially nonredundant.
C) A good data model should be flexible and adaptable to future needs.
D) Each data attribute should describe at most one entity.
E) All of these.
Correct Answer:
Verified
Q114: A key value whose structure communicates data
Q115: A code that assigns sequentially generated numbers
Q116: A code that uses blocks of numbers
Q117: A code that provides a top-down interpretation
Q118: Which of the following is NOT a
Q120: The process that prepares a data model
Q121: The process that prepares a data model
Q122: Which normal form deals with repeating attributes?
A)
Q123: An attribute whose value can be calculated
Q124: In the relationship between US cities and
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