Figure provides a backup sad recovery system for files that are using a destructive update approach. Now
Question:
Figure provides a backup sad recovery system for files that are using a destructive update approach.
Now think about a specific situation that might use words. A company creates its sales order transaction file in batches. Once a day, a sales clerk compiles a transaction file by entering data from the previous day's sales orders to the transaction file. When these transactions have all been entered and the transaction file passes editing, the transaction file is used to destructively update both the sales and the accounts receivable master files. Each of these master files is then backed up to a magnetic tape. The magnetic tapes are stored (offline) in a remote location. Now consider what might happen if, in the middle of an update of the sales master file, lightning hit the company's building, resulting in a power failure that caused the computer to corrupt both the transaction file and the master files.
a. Which if any, files contain non-corrupted date (transaction file, accounts receivable, master file, sales master file, or backup master files)?
b. Will a clerk have t re-enter any data? If so, what data will have to re-anteed?
c. What steps will the company has to take to obtain non-corrupted files that contain the previous day's salesdata?
Accounts ReceivableAccounts receivables are debts owed to your company, usually from sales on credit. Accounts receivable is business asset, the sum of the money owed to you by customers who haven’t paid.The standard procedure in business-to-business sales is that...
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