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? Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Failure to control confidentiality may lead to loss of competitiveness. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Versioning Erroneous updates All of these Deadlock Versioning Erroneous updates All of these Deadlock ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The transaction log includes which of the following? The before and after-image of a record The essential data of the record The after-image of a record The before-image of a record The before and after-image of a record The essential data of the record The after-image of a record The before-image of a record ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Incorrect data is easy to detect. True False True False ANSWER DOWNLOAD EXAMIANS APP
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