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What does the cardinality ratio specify?
Mapping cardinalities or cardinality ratios state the number of entities to which another entity can be associated. Mapping cardinalities must be one of the following:
One to one
One to many
Many to one
Many to many
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What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
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Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
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