Data and Database Administration Which of the following could cause data to be unavailable? Data becoming lost or inaccurate 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 ANSWER DOWNLOAD EXAMIANS APP
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 Queries that do full table scans should be avoided. True False True False 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? Switch to duplicate database Reprocess transactions Rollback Rollforward Switch to duplicate database Reprocess transactions Rollback Rollforward 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 and before-images are applied to the database Where the after-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 and before-images are applied to the database Where the after-images are applied to the database Where the before-images are applied to the database 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
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