Which of the following are integrity controls that a DBMS may support? – McqOptions

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1.	Which of the following are integrity controls that a DBMS may support?
A.	Assume a default value in a field unless a user enters a value for that field.
B.	Limit the set of permissible values that a field may assume.
C.	Limit the use of null values in some fields.
D.	All of the above.
Answer» E.

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