单项选择题
A. You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.
B. You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.
C. You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
D. You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.
多项选择题 YourproductiondatabaseisrunningintheARCHIVELOGmodeandtheARCnprocessisfunctional.Youhavetwoonlineredologgroups.Whichthreebackgroundprocesseswouldbeinvolvedwhenalogswitchhappens？（）
单项选择题 Youhavearead-onlytablespaceonread-onlymedia.Youwanttoperformamediarecoveryontheexistingdatafiles，butusingabackupcontrolfile.Thebackupcontrolfileindicatesthatthestatusoftheread-onlytablespacewasread/writewhenthecontrolfilewasbackedup.Whatshouldyouconsider？（）
单项选择题 You want to create a consumer group， GROUP1， and you execute the following command in the command-line interface： SQL> EXEC DBMS_RESOURCE_MANAGER.CREATE_CONSUMER_GROUP （CONSUMER_GROUP =>’group1’， COMMENT => ’New Group’）； This command errors out displaying the following message： ERROR at line 1： ORA-29371： pending area is not active ORA-06512： at "SYS.DBMS_RMIN"， line 115 ORA-06512： at "SYS.DBMS_RESOURCE_MANAGER"， line 108 ORA-06512： at line 1 What action would you take to overcome this error？（）