Drop Table cannot be used to drop a Table referenced by __________ constraint.
(B) (a), (b) and (c)
(D) (a) and (d)
Explanation: Drop Table cannot be used to drop a Table referenced by foreign key constraint.
For more information on keys Refer:DBMS | Keys in Relational Model (Candidate, Super, Primary, Alternate and Foreign) and for information on sql operation Refer:SQL | ALTER (ADD, DROP, MODIFY)
Option (C) is correct
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