The secondary key
A) Is unique.
B) May be used to access records.
C) Is used within the record only.
D) Is the same as the primary key.
Correct Answer:
Verified
Q5: A secondary key is essentially the same
Q6: The EOF is a marker after the
Q7: A systems flowchart uses the same symbols
Q8: A data record dictionary:
A)Is a list of
Q9: Sequential access file may be processed either
Q11: The primer read is the first record
Q12: The logical file number is a reference
Q13: A systems flowchart shows the flow of
Q14: A primary key:
A)Is required for all types
Q15: A systems flowchart:
A)Shows the data flow through
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