Multiple Choice
Every citizen in the United States has one social security number,but no two citizens have the same social security number.Thus,the cardinality that exists between social security numbers and citizens is
A) one-to-one.
B) one-to-many.
C) many-to-many.
D) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q4: The REA data model approach facilitates efficient
Q5: Besides modeling entities as rectangles,there are no
Q44: An REA diagram must link every event
Q50: Which of the following graphical symbols represents
Q52: In which stage(s)of the database design process
Q53: Which of the following transactions is represented
Q55: Which of the following transactions is represented
Q56: The "give" event represents an activity which<br>A)
Q58: Which of the following transactions is represented
Q90: Explain specifically what is meant by the