You want to enforce a company’s business policy on several objects by using a singlepolicy function. 
Which two types of policies can be assigned to the policy_type argument in the dbms_rls.add_policy procedure to achieve the above objective？（）

单项选择题YouareunabletomovetheUnifiedJobScheduleroccupantfromtheSYSAUXtablespacetotheUSERStablespace.Whatcouldbethereason？（）

A.None of the SYSAUX occupants can be relocated.
B.The USERS tablespace is a bigfile tablespace （BFT）.
C.The united Job Scheduler occupant cannot be relocated.
D.The SYSAUX occupants can be relocated to the SYSTEM tablespace only.

单项选择题Exhibit One the evening of April 22， you are working on a database created using Oracle Database 10g. This database operates in the ARCHIVELOG mode. You discover that you need crucial data that was dropped from the database at 8：00 a.m. No full backup has been taken after April 15.  What would you do？（）

A.recover the database until April 10
B.recover the database until April 15
C.recover the database until 22 7：59 a.m.
D.recovery is not possible； manually re-create the object

单项选择题Consider the following scenario：  You have a directory， data， under the disk group tdgroup  A. You want to create an alias for one of the data files and you execute the following command： ALTER DISKGROUP tdgroupA  ADD ALIAS ’+tdgroupA data datafile.dbf’  FOR ’+tdgroupA. 231.45678’；  Which task would be accomplished by the command？（）

A.A
B.B
C.C
D.D
E.E

单项选择题WhichbackgroundprocessdoesAutomaticSharedMemoryManagementusetocoordinatethesizingofmemorycomponents？（）

A.PMON
B.SMON
C.MMNL
D.MMAN
E.MMON

单项选择题You work as a database administrator for Certkiller .com. You received the following error while working on your database： ORA-01555： snapshot too old  In which situation would you receive such an error？（）

A.You performed rollback after commit.
B.If a log switch occurs in your database.
C.Thearchiverfails to generate an archived log file.
D.Instance recovery fails to find one of the redo log files.
E.A long-running query is unable to get read-consistent image.
F.If you perform manual undo management operations in auto mode.