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 Mirrored databases are almost always provided in high-availability systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 Data modeling and database design are key responsibilities of data and data base administration. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Queries that do full table scans should be avoided. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A transaction log shows before and after images of records that have been modified by transactions. True False True False ANSWER DOWNLOAD EXAMIANS APP
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