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Accounting Information Systems 9th Edition by James Hall
Edition 9ISBN: 978-1133934400Accounting Information Systems 9th Edition by James Hall
Edition 9ISBN: 978-1133934400 Exercise 13
ACCESS METHODS
For each of the following file processing operations, indicate whether a sequential file, indexed random file, virtual storage access method, hashing, or pointer structure would work best. You may choose as many as you wish for each step. Also, indicate which would perform the least optimally.
a. Retrieve a record from the file based on its primary key value.
b. Update a record in the file.
c. Read a complete file of records.
d. Find the next record in a file.
e. Insert a record into a file.
f. Delete a record from a file.
g. Scan a file for records with secondary keys.
For each of the following file processing operations, indicate whether a sequential file, indexed random file, virtual storage access method, hashing, or pointer structure would work best. You may choose as many as you wish for each step. Also, indicate which would perform the least optimally.
a. Retrieve a record from the file based on its primary key value.
b. Update a record in the file.
c. Read a complete file of records.
d. Find the next record in a file.
e. Insert a record into a file.
f. Delete a record from a file.
g. Scan a file for records with secondary keys.
Explanation
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Accounting Information Systems 9th Edition by James Hall
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