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Define two-phase locking protocol.
Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a process each transaction follows.
The two-phase locking protocol
1. Previous to operating on any row, a transaction must obtain a lock on that row.
2. After releasing a lock, a transaction should never obtain any more locks.
You will be analysing a set of financial data of your choice. It is not necessary to collect any primary data of your own, and publicly available secondary data will be sufficient
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