Following is not a part of defining the Relationship
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Cardinality
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Drop
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Revision
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Clone
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Propagate history
B
Correct answer
Explanation
This is an exact duplicate of question 152093. Relationship definitions include cardinality, revision behavior, cloning, and history propagation. 'Drop' is not a relationship definition parameter - it's a database operation. The correct answer is B, making this identical to the earlier question.