How many optional columns will the relational schema mapped from the ABC Retailer ER diagram have?
A) 0
B) 1
C) 2
D) 3
A
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Indicate whether the statement is true or false
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Answer the following statement true (T) or false (F)
A decision methodology that uses hierarchy of criteria for evaluation of alternative decisions is the ______.
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Dell sells custom-made computer systems. Besides order getters, Dell probably uses
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