Although the DBMS is designed to recover a database to a previous consistent state when an interruption prevents the completion of a required set of transactions, the transactions themselves are defined by the end user or programmer and must be semantically correct.
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Q8: The scheduler establishes the order in which
Q9: The serializable isolation level is the least
Q10: A lock guarantees the open use of
Q11: Serializability means that data used during the
Q12: The phenomenon of uncommitted data occurs when
Q14: Atomicity indicates the permanence of the database's
Q15: Durability requires that all portions of the
Q16: A scheduler facilitates data isolation to ensure
Q17: Most real-world database transactions are formed by
Q18: In a page-level lock, the DBMS will
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