Data and Database Administration Information repositories are replacing data dictionaries in many organizations. 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. True False True False 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 Poor data administration can lead to which of the following? Familiarity with existing data A single definition of the same data entity Missing data elements All of these Familiarity with existing data A single definition of the same data entity Missing data elements All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Performance analysis and tuning is which of the following? Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Planned database maintenance activities All of these The database server Data becoming lost or inaccurate Planned database maintenance activities All of these The database server Data becoming lost or inaccurate ANSWER DOWNLOAD EXAMIANS APP