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 Information repositories are replacing data dictionaries in many organizations. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A shared lock allows which of the following types of transactions to occur? Delete Insert Read Update Delete Insert Read Update ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Authorization tables contain highly sensitive data and should be protected by stringent security rules. 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 Queries that do full table scans should be avoided. True False True False ANSWER DOWNLOAD EXAMIANS APP
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