多项选择题
A. Mount the container database (CDB) and restore the control file from the control file auto backup.
B. Recover and open the CDB in NORMAL mode.
C. Mount the CDB and then recover and open the database, with the RESETLOGS option.
D. Open all the pluggable databases.
E. Recover each pluggable database.
F. Start the database instance in the nomount stage and restore the control file from control file auto backup.
单项选择题 Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（）
多项选择题 Which three functions are performed by the SQL Tuning Advisor?（）
单项选择题 You are administering a database stored in Automatic Storage management (ASM). The files are storedin the DATA disk group. You execute the following command:SQL > ALTER DISKGROUP data ADD ALIAS ‘+data/prod/myfile.dbf’ FOR ‘+data.231.45678’;What is the result?（）