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Question

When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):

a.

transitive dependency.

b.

insertion anomaly.

c.

referential integrity constraint.

d.

normal form.

Posted under Normalization DBMS

Answer: (c).referential integrity constraint.

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Q. When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):

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