gs gs114 Concurrency Control - Multiversion Schemes, Snapshot Isolation - Quiz No.1

gs gs114 Relational Database Management System Quiz

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Question 4: Which of the following is a variant of snapshot isolation
Question 5: Under ________ the system uses locking mechanism that applies only to updates
Question 7: Oracle uses __________ for the serializable isolation level
Question 9: In ________ no two aborts occur unless two concurrent transactions update the same data item.
Question 10: Which of the following transactions can multiversion two phase locking protocol not differentiate.


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