Data and Database Administration The transaction log includes which of the following? The before-image of a record The after-image of a record The essential data of the record The before and after-image of a record The before-image of a record The after-image of a record The essential data of the record The before and after-image of a record ANSWER DOWNLOAD EXAMIANS APP
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 Authorization tables contain highly sensitive data and should be protected by stringent security rules. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Erroneous updates All of these Deadlock Versioning Erroneous updates All of these Deadlock Versioning 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 Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally? Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback ANSWER DOWNLOAD EXAMIANS APP
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