Data and Database Administration Poor data administration can lead to which of the following? 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 Familiarity with existing data ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Mirrored databases are almost always provided in high-availability systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? All of these Deadlock Erroneous updates Versioning All of these Deadlock Erroneous updates Versioning ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A shared lock allows which of the following types of transactions to occur? Read Update Insert Delete Read Update Insert Delete ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Rollforward Reprocess transactions Switch to duplicate database Rollback Rollforward Reprocess transactions Switch to duplicate database Rollback ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following could cause data to be unavailable? Data becoming lost or inaccurate 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 ANSWER DOWNLOAD EXAMIANS APP
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