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

All of these
None of these
dividing documents to be entered into batches
controlling the input of each input clerk
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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Introduction to Database System
In SQL, the CREATE TABLE is used

to add a column/integrity constraint to a table
to create a table, defining its columns, integrity constrains, and storage allocation
All of these
to change a table's storage characteristics
to redefine a column

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