State True/False
1. | Concurrency control and database recovery are intertwined and both are a part of the transaction management. |
2. | Database recovery is a service that is provided by the DBMS to ensure that the database is reliable and remains in consistent state in case of a failure. |
3. | Database recovery is the process of restoring the database to a correct (consistent) state in the event of a failure. |
4. | Forward recovery is the recovery procedure, which is used in case of physical damage. |
5. | Backward recovery is the recovery procedure, which is used in case an error occurs in the midst of normal operation on the database. |
6. | Media failures are the most dangerous failures. |
7. | Media recovery is performed when there is a head crash (record scratched ... |
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