Data and Database Administration To build a data warehouse and develop business intelligence applications, it is important that an organization build and maintain a comprehensive repository. 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 multiuser environment To ensure data integrity when updates occur 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 single-user 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 when updates occur to the database in a multiuser environment To ensure data integrity while reading data occurs to the database in a single-user environment ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Planned database maintenance activities Data becoming lost or inaccurate The database server All of these Planned database maintenance activities Data becoming lost or inaccurate The database server All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is part of an administrative policy to secure a database? All of these Authentication policies Ensure appropriate responses rates are in external maintenance agreements Limiting particular areas within a building to only authorized people All of these Authentication policies Ensure appropriate responses rates are in external maintenance agreements Limiting particular areas within a building to only authorized people ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Performance analysis and tuning is which of the following? Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of the backup of a database ANSWER DOWNLOAD EXAMIANS APP
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