Introduction to Database System
If the record management system allows you to edit values before they are recorded on disk, you can

All of the listed here
change the name of a field
correct spelling changes before they are recorded
change the width of a field

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Introduction to Database System
With respect to data input, the most accurate description of batch control is

controlling the input of each input clerk
None of these
dividing documents to be entered into batches
All of these
comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system

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