tailieunhanh - OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P68

OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P68:There is an ever increasing demand for staff with IT industry certification. The benefits to employers are significant—they can be certain that staff have a certain level of competence—and the benefits to the individuals, in terms of demand for their services, are equally great. Many employers are now requiring technical staff to have certifications, and many IT purchasers will not buy from firms that do not have certified staff. | OCA OCP Oracle Database 11g All-in-One Exam Guide 626 or on Unix or Linux export NLS_DATE_FORMAT dd-mm-yy hh24 mi ss 1. Connect to the database with RMAN and perform a full whole backup rman target RMAN backup as compressed backupset database 2. Connect to the database with SQL Plus as user SYSTEM and force a few log switches and archives by executing this command a few times alter system switch logfile 3. Connect to the database with RMAN and back up the archive logs while removing them from the archivelog destinations backup archivelog all delete all input 4. Repeat Step 2. 5. Note the current time select sysdate from dual 6. Wait a few seconds and insert a second row into the ex16 table insert into ex16 values sysdate commit 7. Drop the tablespace and attempt to query the ex16 table drop tablespace noncrit including contents and datafiles select from ex16 8. In your RMAN session execute this run block to restore the controlfile substituting the time you noted in Step 5 for that shown and using a suitable name for the restored controlfile run shutdown abort startup mount set until time 26-10-08 15 35 33 restore controlfile to u01 app oracle oradata orcl It is not possible to restore the controlfile over the current controlfile copies because they are already in use to mount the database. 9. In your SQL Plus session adjust the CONTROL_FILES parameter so that the restored controlfile will be used for the next mount SQL alter system set control_files u01 app oracle oradata orcl scope spfile SQL shutdown abort SQL startup mount 10. In your RMAN session run allocate channel d1 type disk allocate channel d2 type disk set until time 26-10-08 15 35 33 restore database Chapter 16 Restore and Recover with RMAN 627 recover database alter database open resetlogs 11. Study the output of running the block in Step 8. In particular note these points Two channels were used to parallelize the operation. The date given must conform to that specified by .

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