Data and Database Administration Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally? Rollforward Switch to duplicate database Reprocess transactions Rollback Rollforward Switch to duplicate database Reprocess transactions Rollback ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Reprocess transactions Switch to duplicate database Rollback Rollforward Reprocess transactions Switch to duplicate database Rollback Rollforward 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 one time at the time of the implementation of a new application Undertaken as an ongoing part of the backup of a database Undertaken as an ongoing part of managing a database Undertaken one time at the time of a DBMS installation Undertaken one time at the time of the implementation of a new application Undertaken as an ongoing part of the backup of a database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A transaction log shows before and after images of records that have been modified by transactions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Deadlock All of these Erroneous updates Versioning Deadlock All of these Erroneous updates Versioning ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A disaster recovery plan does not need to include the shipment of database backups to other sites. False True False True ANSWER DOWNLOAD EXAMIANS APP
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