Introduction to Database System
A _____ means that one record in a particular record type is related to only one record of another record type.

One-to-one relationship
Many-to-one relationship
None of these
One-to-many relationship
Many-to-many relationship

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

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

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