单项选择题
A. It checks the database for intrablock corruptions only.
B. It checks for block corruption in the valid backups of the database.
C. It checks the database for both intrablock and interblock corruptions.
D. It checks for only those corrupted blocks that are associated with data files.
单项选择题 Your database is running in ARCHIVELOG mode, and the database is open. You execute an RMAN backupand specify the KEEP clause.Which components are backed up when this option is specified?（）
单项选择题 WhichstatementaboutAutomaticMemoryManagementwithOracle11gistrue？（）
单项选择题 You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）