If an transaction is performed in a database and committed, the changes are taken to the previous state of transaction by

Related MCQs

• Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
• Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
• 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 state of the database no longer reflects a real state of the world that the database is supposed to capture, then such a state is called
• If the state of the database no longer reflects a real state of the world that the database is supposed to capture, then such a state is called
• If the state of the database no longer reflects a real state of the world that the database is supposed to capture, then such a state is called
• If a transaction does not modify the database until it has committed, it is said to use the                        technique.
• 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:
• Which of the following command makes the updates performed by the transaction permanent in the database?
• In the                        scheme, a transaction that wants to update the database first creates a complete copy of the database.