Data and Database Administration A transaction log shows before and after images of records that have been modified by transactions. True False True False 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 A data warehouse administrator is concerned with which of the following? The typical roles of a database administrator and redesigning existing applications The time to make a decision and the typical roles of a database administrator The typical roles of a data administrator and redesigning existing applications The time to make a decision but not the typical roles of a database administrator The typical roles of a database administrator and redesigning existing applications The time to make a decision and the typical roles of a database administrator The typical roles of a data administrator and redesigning existing applications The time to make a decision but not the typical roles of a database administrator ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Planned database maintenance activities The database server All of these Data becoming lost or inaccurate Planned database maintenance activities The database server All of these Data becoming lost or inaccurate 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 Rollforward Reprocess transactions Switch to duplicate database Rollback Rollforward Reprocess transactions Switch to duplicate database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is part of an administrative policy to secure a database? Ensure appropriate responses rates are in external maintenance agreements All of these Authentication policies Limiting particular areas within a building to only authorized people Ensure appropriate responses rates are in external maintenance agreements All of these Authentication policies Limiting particular areas within a building to only authorized people ANSWER DOWNLOAD EXAMIANS APP