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
Data and Database Administration A data warehouse administrator is concerned with which of the following? The time to make a decision but not the typical roles of a database administrator The typical roles of a database administrator and redesigning existing applications The typical roles of a data administrator and redesigning existing applications The time to make a decision and the typical roles of a database administrator The time to make a decision but not the typical roles of a database administrator The typical roles of a database administrator and redesigning existing applications The typical roles of a data administrator and redesigning existing applications The time to make a decision and the typical roles of a database administrator ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Data becoming lost or inaccurate All of these The database server Planned database maintenance activities Data becoming lost or inaccurate All of these The database server Planned database maintenance activities ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Concurrency control is important for which of the following reasons? 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 while reading data occurs 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 single-user environment To ensure data integrity when updates occur to the database in a multiuser environment To ensure data integrity while reading data occurs to the database in a multiuser environment To ensure data integrity when updates occur to the database in a single-user environment 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 The greatest threat to business security is often internal rather than external. True False True False ANSWER DOWNLOAD EXAMIANS APP
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