单选题Examine the command： ALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS； What does the command accomplish？（）A Creates an additional copy of the database online redo log files. B Stores the primary key column values of each row involved in a DML operation in the online redo log files. C Stores the primary key column values of each row involved in a DML operation in the supplemental log files. D Stores the old and new primary key column values of each row involved in a DML operation only when the primary key is modified in the online redo log files.

考题 User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash back the transactions?() A. ALTER DATABASE FLASHBACK ON;B. GRANT SELECT any transaction TO scott;C. GRANT EXECUTE ON dbms_flashback TO scott;D. ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;E. ALTER TABLESPACE undots1 RETENTION GUARANTEE;F. ALTER DATABASE ADD SUPPLEMENTAL LOG DATA (PRIMARY KEY) COLUMNS;

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考题 Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?() A. None of the data definition language (DDL) statements are logged in the trace file.B. Only DDL commands that resulted in errors are logged in the alert log file.C. A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file.D. Only DDL commands that resulted in the creation of new database files are logged.

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考题 Redo log files are not multiplexed in your database. Redo log blocks are corrupted in group 2， and archiving has stopped. All the redo logs are filled and database activity is halted. Database writer has written everything to disk. Which command would you execute to proceed further？（）A、RECOVER LOGFILE BLOCK GROUP 2；B、ALTER DATABASE DROP LOGFILE GROUP 2；C、ALTER DATABASE CLEAR LOGFILE GROUP 2；D、ALTER DATABASE RECOVER LOGFILE GROUP 2；E、ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 2；

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考题 User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash back the transactions?（）A、ALTER DATABASE FLASHBACK ON;B、GRANT SELECT any transaction TO scott;C、GRANT EXECUTE ON dbms_flashback TO scott;D、ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;E、ALTER TABLESPACE undots1 RETENTION GUARANTEE;F、ALTER DATABASE ADD SUPPLEMENTAL LOG DATA (PRIMARY KEY) COLUMNS;

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考题 If a log file becomes corrupted， it may cause the database to stall. How would you correct such a situation？（） A、 Recover the online redo log from backup.B、 Delete and re-create the log file.C、 Use the alter database clear logfile command to clear the log file.D、 Shut down the database and restart it.E、 Shut down the database and then mount it. Clear the log file with the alter database clear logfile command and then restart the database with alter database open resetlogs.

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考题 Which command is used to alter the attributes of "log type" defined in the alog configuration database?（）A、alog -tB、alog -sC、alog -CD、alog -L

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考题 Which command is used to open the database after an incomplete recovery？（）A、 alter database openB、 alter database open repairlogC、 alter database open resetlogsD、 alter database open resetlogE、 alter database resetlogs open

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考题 Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）A、The SKD user cannot log in to the database instance.B、The objects owned by the SKD user are not accessible to any user.C、The other users can access the objects owned by the SKD user， on which they have access.D、The password for the SKD user expires and the user is forced to change the password at the next log in

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考题 Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）A、The SKD user cannot log in to the database instance.B、The objects owned by the SKD user are not accessible to any user.C、The other users can access the objects owned by the SKD user， on which they have access.D、The password for the SKD user expires and the user is forced to change the password at the next log in.

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考题 When performing an online backup，what is the proper order of the following steps？（） a. Issue the alter database end backup command. b. Back up the archived redo logs. c. Issue the alter database begin backup command. d. Back up the database files. e. Determine the beginning log sequence number. f. Determine the ending log sequence number. g. Force a log switch with the alter system switch logfile command.A、a， b， c， d， e， f， gB、c， d， a， b， e， g， fC、f， d， b， g， a， c， eD、e， c， d， a， g， f， bE、a， f， b， g， e， c， d

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考题 User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA， which commands must you execute to enable SCOTT to flash back the transactions？（）A、 ALTER DATABASE FLASHBACK ONB、 GRANT SELECT any transaction TO scottC、 GRANT EXECUTE ON dbms_flashback TO scottD、 ALTER DATABASE ADD SUPPLEMENTAL LOG DATAE、 ALTER TABLESPACE undots1 RETENTION GUARANTEEF、 ALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS

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考题 Which command will result in a trace file being created with the create controlfile command contained in it？（） A、 alter database backup controlfileB、 alter database backup controlfile to traceC、 alter database controlfile backupD、 alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’E、 alter database begin controlfile backup

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考题 You have the following online redo log configuration： Group Member 1 ’/disk1/oradata/redo01a.log’ 2 ’/disk2/oradata/redo02a.log’ 3 ’/disk3/oradata/redo03a.log’ You decide to multiplex the online redo log groups for recovery of redo log files in case of any disaster. Which two statements will you NOT issue to multiplex the online redo log files？（）A、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo01b.log’ TO GROUP 1；B、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo01b.log’ TO GROUP 1；C、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo02b.log’ TO GROUP 2；D、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo02b.log’ TO GROUP 2；E、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo3b.log’ TO GROUP 3；F、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo3b.log’ TO GROUP3；

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考题 Examine the command： ALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS； What does the command accomplish？（）A、Creates an additional copy of the database online redo log files. B、Stores the primary key column values of each row involved in a DML operation in the online redo log files. C、Stores the primary key column values of each row involved in a DML operation in the supplemental log files. D、Stores the old and new primary key column values of each row involved in a DML operation only when the primary key is modified in the online redo log files.

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考题 User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, whichcommands must you execute to enable SCOTT to flash back the transactions? （）(Choose four.)A、ALTER DATABASE FLASHBACK ON;B、GRANT SELECT any transaction TO scott;C、GRANT EXECUTE ON dbms_flashback TO scott;D、ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;E、ALTER TABLESPACE undots1 RETENTION GUARANTEE;F、ALTER DATABASE ADD SUPPLEMENTAL LOG DATA (PRIMARY KEY) COLUMNS;

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考题单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file: ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?（）A You should perform a log switchB You should make a backup of the databaseC You should switch the database to the NONARCHIVELOG modeD You should shut down the database instance and perform a complete database recovery

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考题单选题Which command is used to open the database after an incomplete recovery？（）A alter database openB alter database open repairlogC alter database open resetlogsD alter database open resetlogE alter database resetlogs open

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考题多选题User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, whichcommands must you execute to enable SCOTT to flash back the transactions? （）(Choose four.)AALTER DATABASE FLASHBACK ON;BGRANT SELECT any transaction TO scott;CGRANT EXECUTE ON dbms_flashback TO scott;DALTER DATABASE ADD SUPPLEMENTAL LOG DATA;EALTER TABLESPACE undots1 RETENTION GUARANTEE;FALTER DATABASE ADD SUPPLEMENTAL LOG DATA (PRIMARY KEY) COLUMNS;

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考题单选题Upon starting your database， you receive the following error： SQL startup ORACLE instance started. Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 bytes Database mounted. ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01.log’ ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01a.log’ You can choose from the following steps： a. Restore the database datafiles. b. Issue the alter database clear unarchived logfile group 1 command. c. Issue the alter database open command. d. Issue the alter database open resetlogs command. e. Recover the database using point-in-time recovery. f. Issue the Startup Mount command to mount the database. g. Back up the database. Which is the correct order of these steps in this case？（）A a， f， e， d， gB f， e， dC f， b， c， gD a， f， cE The database cannot be recovered.

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考题多选题Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）AThe SKD user cannot log in to the database instance.BThe objects owned by the SKD user are not accessible to any user.CThe other users can access the objects owned by the SKD user， on which they have access.DThe password for the SKD user expires and the user is forced to change the password at the next log in

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考题单选题Which command will result in a trace file being created with the create controlfile command contained in it？（）A alter database backup controlfileB alter database backup controlfile to traceC alter database controlfile backupD alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’E alter database begin controlfile backup

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考题单选题Examine the command： ALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS； What does the command accomplish？（）A Creates an additional copy of the database online redo log files. B Stores the primary key column values of each row involved in a DML operation in the online redo log files. C Stores the primary key column values of each row involved in a DML operation in the supplemental log files. D Stores the old and new primary key column values of each row involved in a DML operation only when the primary key is modified in the online redo log files.

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考题单选题If a log file becomes corrupted， it may cause the database to stall. How would you correct such a situation？（）A Recover the online redo log from backup.B Delete and re-create the log file.C Use the alter database clear logfile command to clear the log file.D Shut down the database and restart it.E Shut down the database and then mount it. Clear the log file with the alter database clear logfile command and then restart the database with alter database open resetlogs.

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考题多选题User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA， which commands must you execute to enable SCOTT to flash back the transactions？（）AALTER DATABASE FLASHBACK ONBGRANT SELECT any transaction TO scottCGRANT EXECUTE ON dbms_flashback TO scottDALTER DATABASE ADD SUPPLEMENTAL LOG DATAEALTER TABLESPACE undots1 RETENTION GUARANTEEFALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS

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考题单选题Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（）A None of the data definition language (DDL) statements are logged in the trace file.B Only DDL commands that resulted in errors are logged in the alert log file.C A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file.D Only DDL commands that resulted in the creation of new database files are logged.

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考题单选题When performing an online backup，what is the proper order of the following steps？（） a. Issue the alter database end backup command. b. Back up the archived redo logs. c. Issue the alter database begin backup command. d. Back up the database files. e. Determine the beginning log sequence number. f. Determine the ending log sequence number. g. Force a log switch with the alter system switch logfile command.A a， b， c， d， e， f， gB c， d， a， b， e， g， fC f， d， b， g， a， c， eD e， c， d， a， g， f， bE a， f， b， g， e， c， d

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考题单选题If you issue the command shutdown abort prior to trying to put the database in ARCHIVELOG mode， what will be the result when you issue the command alter database archivelog？（）A The alter database archivelog command will failB The alter database archivelog inconsistent command must be used to put the database in ARCHIVELOG modeC The alter database archivelog command will succeedD The alter database archivelog command will ask if you want to make the database consistent firstE There is no alter database archivelog command. The correct command is alter database alterlogging

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考题多选题Examine the command： SQL ALTER USER skd ACCOUNT LOCK； Which two statements are true after the command is executed（）AThe SKD user cannot log in to the database instance.BThe objects owned by the SKD user are not accessible to any user.CThe other users can access the objects owned by the SKD user， on which they have access.DThe password for the SKD user expires and the user is forced to change the password at the next log in.

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