Data and Database Administration Information repositories are replacing data dictionaries in many organizations. 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 transaction in progress terminates abnormally? Rollback Reprocess transactions Rollforward Switch to duplicate database Rollback Reprocess transactions Rollforward Switch to duplicate database 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 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 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 Performance analysis and tuning is which of the following? Undertaken as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation 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 as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of the implementation of a new application ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS