Which of the following commands must be issued to remove a stored script from the recovery catalog？（）

单项选择题WhichoneofthefollowingstatementsabouttheTNSPINGutilityiscorrect？（）

A.It helps you to determine whether or not the Oracle database is running.
B.It requires the username and password to check the connectivity of the service.
C.It does not require the username and password to check the connectivity of the service.
D.It establishes a session with the database and checks the connectivity of the service.

单项选择题WhichOraclebackgroundprocessfreesSGAresourcesthatwereallocatedtoauserprocessthatfailed？（）

A.PMON
B.SMON
C.CKPT
D.LGWR
E.ARCn

单项选择题WhichofthefollowingSQL*Loaderparametersenablesyoutoloadaspecifiednumberofrecordsstoredinthedatafile？（）

A.ROWS
B.SKIP
C.LOAD
D.BINDSIZE

单项选择题Whichofthefollowingparameterswouldyouusetorecordtheerrorsthatmightbegeneratedduringtheimportoperation？（）

A.LOG
B.HELP
C.BUFFER
D.PARFILE
E.INCTYPE

单项选择题WhichscriptmustyoutoquerytodisplaythecodeassociatedwithRMANstoredscripts？（）

A.RC_STORED_SCRIPT
B.RC_STORED_SCRIPT_LINE
C.RC_SCRIPTS
D.RC_STORED_LINE_SCRIPT
E.None of the other alternatives apply