单项选择题X 纠错
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.
你可能喜欢
单项选择题
A.PMON
B.SMON
C.CKPT
D.LGWR
E.ARCn
单项选择题
A.ROWS
B.SKIP
C.LOAD
D.BINDSIZE
单项选择题
A.LOG
B.HELP
C.BUFFER
D.PARFILE
E.INCTYPE
单项选择题
A.RC_STORED_SCRIPT
B.RC_STORED_SCRIPT_LINE
C.RC_SCRIPTS
D.RC_STORED_LINE_SCRIPT
E.None of the other alternatives apply
单项选择题
A.V$BACKUPSET
B.RC_DATABASE
C.V$BACKUP_SET
D.RC_BACKUP_SET
单项选择题
A.V$LOG
B.V$LOFHIST
C.V$LOGFILE
D.V$LOG_HISTORY
单项选择题
A.V$DATAFILE
B.V$TEMPFILE
C.V$DBFILE
D.V$DATAFILE_HEADER
单项选择题
A.’SQL ALTER DATABASE OPEN’;
B.SQL ALTER DATABASE ’OPEN’;
C.OPEN DATABASE;
D.DATABASE OPEN
单项选择题
A.RECOVER DATABASE
B.RECOVER TABLESPACE
C.RECOVER DATAFILE
D.ALTER DATABASE RECOVER DATAFILE
单项选择题
A.V$COPY_CORRUPT
B.V$COPY_CORRUPTION
C.V$BACKUP_CORRUPT
D.V$BACKUP_CORRUPTION