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Question

Data integrity constraints are used to:

a.

Control who is allowed access to the data

b.

Ensure that duplicate records are not entered into the table

c.

Improve the quality of data entered for a specific property (i.e., table column)

d.

Prevent users from changing the values stored in the table

Posted under DBMS

Answer: (c).Improve the quality of data entered for a specific property (i.e., table column)

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Q. Data integrity constraints are used to:

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