Data and Database Administration Backward recovery is which of the following? 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 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 The restore/rerun technique involves reprocessing the day's transactions up to the point of failure. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Data modeling and database design are key responsibilities of data and data base administration. False True False True 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 Which of the following could cause data to be unavailable? Data becoming lost or inaccurate The database server Planned database maintenance activities All of these Data becoming lost or inaccurate The database server Planned database maintenance activities All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A shared lock allows which of the following types of transactions to occur? Insert Delete Read Update Insert Delete Read Update ANSWER DOWNLOAD EXAMIANS APP
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