Data and Database Administration A shared lock allows which of the following types of transactions to occur? Insert Delete Read Update Insert Delete Read Update ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Queries that do full table scans should be avoided. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the after-images are applied to the database Switching to an existing copy of the database Where the before-images are applied to the database Where the after-images and before-images are applied to the database Where the after-images are applied to the database Switching to an existing copy of the database Where the before-images are applied to the database Where the after-images and 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 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 A traditional data administrator performs which of the following roles? Tune database performance Resolve data ownership issues Protect the security of the database Establish backup and recovery procedures Tune database performance Resolve data ownership issues Protect the security of the database Establish backup and recovery procedures 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 as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of the backup of a database Undertaken one time at the time of a DBMS installation Undertaken as an ongoing part of managing a database ANSWER DOWNLOAD EXAMIANS APP
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