Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?
A. A domain constraint
B. A range constraint
C. An intrarelation constraint
D. An interrelation constraint
Answer:A
Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?
A. A domain constraint B. A range constraint C. An intrarelation constraint D. An interrelation constraint