Question

Which of the following statement is not correct for serializrability of transactions?
(1) In a serial schedule, each transaction is independent of others.
(2) In non-serial schedule, we allow the two transactions to overlap their execution.
(3) A non-serial schedule may not always result in an incorrect outcome.
(4) Every schedule ls serializable.

Answer 1

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Answer 2

The correct answer is 4) Every schedule is serializable.

The reasons why every schedule is serializable are:-

• All schedules are sizeable in nature.
• A schedule means when all transactions are taken together.
• A schedule can be Serial and Non-Serial.
• All transactions need to be scheduled to maintain the database management in DBMS.
• Hence, the correct answer is an option (4).