____ means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.

Related MCQs

•          means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.
•                means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.
• If several concurrent transactions are executed over the same data set and the second transaction updates the database before the first transaction is finished, the ____ property is violated and the database is no longer consistent.
• If the complete execution of the transaction(s) takes the database from one consistent state to the other then that property of transaction is called:
• The system has entered an undesirable state (for example, deadlock), as a result of which a transaction cannot continue with its normal execution. This is
• The transaction can no longer continue with its normal execution because of some internal condition, such as bad input, data not found, overflow, or resource limit exceeded. This is
• If a transaction does not modify the database until it has committed, it is said to use the                        technique.
• A transaction completes its execution is said to be
• A transaction completes its execution is said to be
• The name of the transaction file shall be provided by the operator and the file that contains the edited transactions ready for execution shall be called