Transactions

Transactions

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  1. What is the isolation property of transactions?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The ‘isolation’ property of a transaction is one of the four elementary characteristics that are expected for a database transaction to maintain throughout. The others are Atomicity, Consistency and Durability.

  1. What does ‘C’ stand for in the ACID property of transactions?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    The elementary characteristics of a transaction are known as the ‘ACID’ properties. ‘ACID’ is the acronym for the four basic characteristics that a transaction must have for smooth processing.

  1. What does ‘A’ stand for in the ACID property of transactions?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    All the transaction systems have an important set of characteristics in common. This is known as the ‘ACID’ property of the transaction. It refers to the four elementary characteristics of a transaction.

  1. What is generally done if an error occurs during the transaction?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    Whenever an error occurs during a transaction, it is generally taken to the state prior to the beginning of transaction execution. This is know as rollback. It is a set of undo operations.

  1. What is generally done after the transactions are executed successfully?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    In a transaction, either all the statements are executed successfully or neither of them are successful. This is facilitated by the commit and rollback capabilities. Commit is made after a transaction.