An entity-relationship diagram represents entities as ________ and the relationships between them as lines and ________.
A) circles;squares
B) squares;diamonds
C) rectangles;diamonds
D) rectangles;circles
Correct Answer:
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Q1: In which stage(s)of the database design process
Q2: Explain specifically what is meant by the
Q3: The REA data model approach facilitates efficient
Q4: _ includes all the activities associated with
Q5: Describe data modeling.
Q7: Data modeling is an element of
A)systems analysis.
B)conceptual
Q8: In which stage(s)of the database design process
Q9: In which stage(s)of the database design process
Q10: An entity-relationship diagram
A)can represent the contents of
Q11: _ includes carefully monitoring system performance and
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