Which command(s) is(are) used to enable/disable/drop an integrity cons

1.	Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL?
A.	DEFINE TABLE
B.	MODIFY TABLE
C.	ALTER TABLE
D.	All of the above
E.	None of the above
Answer» D. All of the above

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Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL?

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