Data and Database Administration Concurrency control is important for which of the following reasons? To ensure data integrity when updates occur to the database in a single-user environment To ensure data integrity while reading data occurs to the database in a multiuser environment To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity when updates occur to the database in a multiuser environment To ensure data integrity when updates occur to the database in a single-user environment To ensure data integrity while reading data occurs to the database in a multiuser environment To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity when updates occur to the database in a multiuser environment ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is part of an administrative policy to secure a database? Authentication policies Limiting particular areas within a building to only authorized people Ensure appropriate responses rates are in external maintenance agreements All of these Authentication policies Limiting particular areas within a building to only authorized people Ensure appropriate responses rates are in external maintenance agreements All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A traditional data administrator performs which of the following roles? Establish backup and recovery procedures Tune database performance Protect the security of the database Resolve data ownership issues Establish backup and recovery procedures Tune database performance Protect the security of the database Resolve data ownership issues 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 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 A shared lock allows which of the following types of transactions to occur? Update Insert Delete Read Update Insert Delete Read ANSWER DOWNLOAD EXAMIANS APP
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