单项选择题
A. Differential incremental backup B. Different incremental backup C. Cumulative backup D. Cumulative incremental backup
Whichisthecorrectcommandtobackupthedatabase，backupthear...
单项选择题Which is the correct command to back up the database， back up the archived redo logs， and then remove the backed-up archived redo logs？（）
A. backup database B. backup database and archivelogs C. backup database plus archivelogs D. backup database plus archivelog delete input E. backup database and archivelog delete input
Compressedbackupsworkwithwhichofthefollowingcommands？（）...
单项选择题Compressed backups work with which of the following commands？（）
A. copy as backup B. backup as copy C. backup D. copy
Consider the following command： Backup database plus a...
Consider the following command： Backup database plus archivelog delete input； How many backup sets would be created by this command if the following were true：（） Control-file a NN uto backups were enabled. NN The size of backup sets was not restricted. NN One channel was allocated.
A. 1 B. 2 C. 3 D. 4 E. 5
