Data and Database Administration The restore/rerun technique involves reprocessing the day's transactions up to the point of failure. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Mirrored databases are almost always provided in high-availability systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Queries that do full table scans should be avoided. 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 system failure? Switch to duplicate database Rollforward Rollback Reprocess transactions Switch to duplicate database Rollforward Rollback Reprocess transactions ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the before-images are applied to the database Where the after-images and before-images are applied to the database Where the after-images are applied to the database Switching to an existing copy of the database Where the before-images are applied to the database Where the after-images and before-images are applied to the database Where the after-images are applied to the database Switching to an existing copy of the database 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? Rollback Switch to duplicate database Reprocess transactions Rollforward Rollback Switch to duplicate database Reprocess transactions Rollforward ANSWER DOWNLOAD EXAMIANS APP
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