Data and Database Administration Which of the following could cause data to be unavailable? Planned database maintenance activities All of these Data becoming lost or inaccurate The database server Planned database maintenance activities All of these Data becoming lost or inaccurate The database server ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Switching to an existing copy of the database Where the after-images are applied to the database Where the before-images are applied to the database Where the after-images and before-images are applied to the database Switching to an existing copy of the database Where the after-images are applied to the database Where the before-images are applied to the database Where the after-images and before-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A disaster recovery plan does not need to include the shipment of database backups to other sites. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally? Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database ANSWER DOWNLOAD EXAMIANS APP