Database - Physical Database Design - Discussion

Discussion Forum : Physical Database Design - General Questions (Q.No. 8)
8.
Which of the following are integrity controls that a DBMS may support?
Assume a default value in a field unless a user enters a value for that field.
Limit the set of permissible values that a field may assume.
Limit the use of null values in some fields.
All of the above.
Answer: Option
Explanation:
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