A.It can contain a nested chain of jobs.

B.It can be used to implement dependency-based scheduling.

C.It cannot invoke the same program or nested chain in multiple steps in the chain.

D.It cannot have more than one dependency.

E.It can be executed using event-based or time-based schedules.

A.listener configured by using NETCA

B.database service created by using SRVCTL

C.database created by using a SQL statement

D.database created by using DBCA

E.ASM instance created by using ASMCA

F.databaseservice created by usingDBMS_SERVICE.CREATE_SERVICE

G.database service created by modifying theSERVICE_NAMESinitialization parameter

A.Disable all indexes on the table.

B.Ensure there are no pending transactions on the table.

C.Enable row movement is enabled.

D.Ensure free space that is approximately equal to the space used by the table should be available.

A.IMPDP can be used to change target data file names, schemas, and tablespaces during import.

B.The DBMS_DATAPUMP PL/SQL package can be used independently of Data Pump clients to perform export and import operations.

C.EXPDP and IMPDP are the client components of Oracle Data Pump.

D.Oracle Data Pump export and import operations can be performed only by users with the SYSDBA privilege.

E.IMPDP always use the conventional path insert method to import data.

A.Undo data is written to flashback logs after 1200 seconds.

B.Inactive undo data is retained for 1200 seconds even if subsequent transactions fail due to lack of space in the undo tablespace.

C.You can perform a Flashback Database operation only within the duration of 1200 seconds.

D.An attempt is made to keep inactive undo for 1200 seconds but transactions may overwrite the undo before that time has elapsed.