Multiple Choice
Which of the following statements concerning entity-relationship modeling is true?
A) It has a strong theoretical base but seldom is used in practice.
B) It is a method for arranging data elements after the decision has been made to implement a relational database management system.
C) It involves identifying and documenting the system outputs and the contents of the outputs that are required by users.
D) The entity-relationship diagram depicting the model is read from top to bottom and cannot be read from bottom to top.
Correct Answer:
Verified
Correct Answer:
Verified
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