单项选择题
You are working as a DBA in a company. The datafiles in the database are as follows:
On Monday, you tried to start up the database but failed because all the control files were missing. You recreated the control file using the script you have created by issuing the ALTER DATABASE BACKUP CONTROLFILE TO TRACE command. What is the prerequisite for recreating the control file?()
A. All the datafiles should be listed in the CREATE CONTROLFILE statement.
B. The DATA2.dbf and DATA3.dbf datafiles should be listed in the CREATE CONTROLFILE statement.
C. The SYSTEM01.dbf datafile should be listed in the CREATE CONTROLFILE statement.
D. The SYSAUX01.dbf datafile should be listed in the CREATE CONTROLFILE statement.
相关考题
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单项选择题
YourdatabaseisinARCHIVELOGmode.Youlostanindextablespaceduetoadiskfailurewhilethedatabasewasopen.YouhaveneitherabackupofthelostindextablespacenorthescriptscontainingtheCREATEINDEXstatementstorecreatetheindexes.Currently,severalusersareexecutinglong-runningqueriesonthedatabase.Whatwillhappentotheongoingactivityinthedatabase?()
A. The queries that are currently executing will abort and an error message will be returned to the user.
B. The queries that are currently executing will execute normally but future queries will not executed.
C. Data Manipulation Language (DML) statements cannot be performed on the tables on which the indexes are based.
D. The currently executing and future queries will execute normally, but will be slower -
单项选择题
YouaremaintainingyourdatabaseinOracle10g.YoufindthattheINDEXESindextablespaceshouldberecovered.Howwillyourecovertheindextablespace?()
A. by using the Flashback Database feature
B. by using RMAN incomplete recovery
C. by performing a user-managed incomplete recovery
D. by dropping and re-creating the index tablespace -
单项选择题
You have created a password file using the following command: ORAPWD file=d:\oracle\ora9i\orapwU01 password=change_on_install entries=3 Which of the following is true about this password file?()
A. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to SHARED in the initialization parameter file, then a maximum of three users can be granted the SYSDBA or SYSOPER privileges.
B. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to EXCLUSIVE in the initialization parameter file, then a maximum of three users can be granted the SYSDBA or SYSOPER privileges.
C. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to SHARED in the initialization parameter file, then the SYSDBA and SYSOPER privileges can be granted to other users as long as space in the password file is
D. If the REMOTE_LOGIN_PASSWORDFILE parameter is set to EXCLUSIVE in the initialization parameter file, then the SYSDBAand SYSOPER privileges can be granted to other users as long as space in the password file is available.
