Which of the following is not one of the four anomalies that may occur when creating database tables?
A) data redundancy
B) update anomaly
C) primary anomaly
D) insert anomaly
E) deletion anomaly
Correct Answer:
Verified
Q13: The integrity constraint that ensures that every
Q14: Which file is used when it is
Q15: What is defined as any data item
Q16: When an entity has a relationship connecting
Q17: Transaction files:
A) are large files, containing all
Q19: Each master table should have programs to:
A)
Q20: The symbol used to represent additional attributes
Q21: A _ is a central source of
Q22: An attribute is some characteristic of a(n):
A)
Q23: The information that describes data is referred
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