A schedule is called __________ if it is conflict equivalent to a serial schedule.
Question
A schedule is called __________ if it is conflict equivalent to a serial schedule.
Solution
A schedule is called "serializable" if it is conflict equivalent to a serial schedule. In database management, a serial schedule is one that executes transactions sequentially, one after the other, ensuring that the outcome is the same as if each transaction was executed in isolation.
Conflict equivalence means that two schedules are viewed as equivalent when they produce the same results and the conflicting operations (i.e., operations that access the same data and at least one of the operations is a write) maintain the same order in both schedules.
To determine if a given schedule is serializable, one typically uses techniques such as the precedence graph or checking for cycles. If the precedence graph is acyclic, the schedule can be considered serializable. Thus, this property is crucial for ensuring the consistency and integrity of transactions in a database.
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