RDBMS MCQ set number 00673

1. Which of the following is a transaction isolation level as specified by SQL standard? a) Serializable b) Repeatable read c) Read committed d) All of the mentioned AnswerAnswer: a [Reason:] Serializable, repeatable read, read committed and read uncommitted are the four levels of transactions. 2. State true or false: Serializable level may allow both…

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