Discussion
Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row?
Answer: D
Correct answer: Data constraints
Comparing one column against another in the same row is beyond what a type or a default can express, so it is a data constraint - specifically an intrarelation constraint, since both columns lie in the same table. The data type would establish only that both are monetary values.
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