单项选择题
A. Complete database recovery.
B. Incomplete database recovery.
C. Approximate database recovery.
D. Archived database recovery.
E. The database could not be recovered with RMAN.
单项选择题 To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?（）
单项选择题 Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement?（）
单项选择题 Given a complete loss of your database， in what order would you need to perform the following RMAN operations to restore it？（） a. restore controlfile b. restore database c. restore spfile d. recover database e. alter database open f. alter database open resetlogs