Data and Database Administration Incorrect data is easy to detect. False True False True 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? Rollforward Reprocess transactions Rollback Switch to duplicate database Rollforward Reprocess transactions Rollback Switch to duplicate database 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 Backward recovery is which of the following? Where the after-images and before-images are applied to the database Switching to an existing copy of the database Where the after-images are applied to the database Where the before-images are applied to the database Where the after-images and before-images are applied to the database Switching to an existing copy of the database Where the after-images are applied to the database Where the before-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Versioning All of these Erroneous updates Deadlock Versioning All of these Erroneous updates Deadlock ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS