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Physical Database Design

Q1:

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.

ANS:A - Assume a default value in a field unless a user enters a value for that field.

No answer description is available.



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