Data and Database Administration Mirrored databases are almost always provided in high-availability systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Switching to an existing copy of the database Where the after-images are applied to the database Where the after-images and before-images are applied to the database Where the before-images are applied to the database Switching to an existing copy of the database Where the after-images are applied to the database Where the after-images and before-images are applied to the database Where the before-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Performance analysis and tuning is which of the following? 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 Undertaken as an ongoing part of the backup of a database ANSWER DOWNLOAD EXAMIANS APP
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. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
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