Harold Urey and Stanley L. Miller did their experiment in order to ______.A．dissolve some

A．recover from

B．return to

C．concentrate on

D．check on

Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.Which three steps should you perform to recover the control file and make the database fully operational？（）

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.

The cells of your body develop supplies of energy ______.

A．when you are asleep

B．when you recover from your work of the day

C．in the next period of activity

D．when you are quiet

e kind of society you come back to. And maybe if you come back to a close, cohesive, tribal society, you can get over trauma pretty quickly. And if you come back to an alienating, modern society, you might_____________________.

A、still soon recover from the trauma

B、recover after a long time

C、remain traumatized your entire life

D、remain healthy your entire life

to face the new challenging environment yet.

A、are profited from

B、are exhausted from

C、profiting from

D、exhausting from

A、from cover to cover

B、from beginning to end

C、from first page to last one

D、from head to toe

ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error？（）1.Shut down the database.2.Take the users_01.dbf datafile offline with the alter database command.3.Restore the users_01.dbf datafile from backup media with the required archived redo logs.4.Restore all users tablespace-related datafiles from backup media.5.Issue the recover tablespace users command.6.Issue the recover datafile users_01.dbf command.7.Start up the database.8.Bring the users_01.dbf datafile online with the alter database command.

A.1，3，6，7

B.2，3，6，8

C.1，2，3，6，7

D.1，2，3，6，，7，8

E.2，3，6，5，7

The doctor advised him to ()from drinking if he hoped to recover from the disease soon.

A、sustain

B、abstain

C、absent

D、suspect

Your multitenant container (CDB) containing three pluggable databases (PDBs) is running in ARCHIVELOG mode. You find that the SYSAUX tablespace is corrupted in the root container.The steps to recover the tablespace are as follows:1. Mount the CDB.2. Close all the PDBs.3. Open the database.4. Apply the archive redo logs.5. Restore the data file.6. Take the SYSAUX tablespace offline.7. Place the SYSAUX tablespace online.8. Open all the PDBs with RESETLOGS.9. Open the database with RESETLOGS.10. Execute the command SHUTDOWN ABORT.Which option identifies the correct sequence to recover the SYSAUX tablespace？（）

A.6，5，4，7

B.10，1，2，5，8

C.10，1，2，5，4，9，8

D.10，1，5，8，10