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单选题
You issue this SQL statement： ALTER DATABASE RENAME FILE ’/ORADATA/u02/user_data01.dbf’ TO ’/ORADATA/u04/user_data01.dbf’； What does this SQL statement do？（）
A
It updates the control file with the new location of the data file.
B
It updates only the data dictionary with the new location of the data file.
C
It changes the location of the user_data01.dbf file in the operating system.
D
It changes the location of the user_data01.dbf file in the operating system and updates the control file with the new location of the data file.
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更多 “单选题You issue this SQL statement： ALTER DATABASE RENAME FILE ’/ORADATA/u02/user_data01.dbf’ TO ’/ORADATA/u04/user_data01.dbf’； What does this SQL statement do？（）A It updates the control file with the new location of the data file. B It updates only the data dictionary with the new location of the data file. C It changes the location of the user_data01.dbf file in the operating system. D It changes the location of the user_data01.dbf file in the operating system and updates the control file with the new location of the data file.” 相关考题
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You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE path;C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE path;D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;
考题
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains oneredo member. When you attempt to start the database, you receive the following errors:ORA-00313: open failed for members of log group 1 of thread 1ORA-00312: online log 1 thread 1: ‘D:\REDO01.LOG‘You discover that the online redo log file of the current redo group is corrupted.Which statement should you use to resolve this issue?（）A. ALTER DATABASE DROP LOGFILE GROUP 1;B. ALTER DATABASE CLEAR LOGFILE GROUP 1;C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;D. ALTER DATABASE DROP LOGFILE MEMBER ‘D:\REDO01.LOG
考题
You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance： SQL ALTER SYSTEM SWITCH LOGFILE； Which two tasks are performed when the statement is executed？ （）A、 The DBWn process writes to the datafile.B、 Changes in the background process are recorded.C、 The log file is updated with the current SCN number.D、 The System Change Number （SCN） is recorded in the control file.E、 The changes to the listener configuration in the listener.ora file are recorded.
考题
You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）A、A text copy of the control file.B、A binary copy of the control file.C、A file containing a SQL statement which will re-create the database.D、A file containing a SQL statement which will re-create the control file.
考题
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）A、ALTER DATABASE DROP LOGFILE GROUP 1;B、ALTER DATABASE CLEAR LOGFILE GROUP 1;C、ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;D、ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG
考题
You executed the following command to back up the control file： ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What do you find in the trace file？（）A、Image of the control fileB、Location of the control fileC、Contents of the control file in text formatD、SQL command to re-create the databaseE、SQL command to re-create the control fileF、Contents of the control file in binary format
考题
RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）A、’SQL ALTER DATABASE OPEN’；B、SQL ALTER DATABASE ’OPEN’；C、OPEN DATABASE；D、DATABASE OPEN
考题
You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement will you use to enable the block change tracking feature？（）A、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING；B、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING；C、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE ；D、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ；
考题
ou are implementing control file multiplexing. Which of the following choices identifies the method you can use in order to generate the control file copies that Oracle will maintain?（）A、Issue ALTER DATABASE BACKUP CONTROLFILE TO filenameB、Make a copy of the control file with the database shut downC、Issue ALTER DATABASE BACKUP CONTROLFILE TO traceD、Make a copy of the control file with the database still running
考题
You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors， such as erroneously dropping users， tables， and important data， to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database， you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors， you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running？（）A、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.B、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement while the database is up and running.C、 Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command. Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.D、 Change the parameter setting in the SPFILE for the DB_RECOVERY_FILE_DEST parameter using the ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’’ SCOPE=BOTH statement. Shut down the database using the SHUTDOWN command. Mount the database using the STARTUP MOUNT EXCLUSIVE command and disable Flashback Database using the ALTER DATABASE FLASHBACK OFF statement.
考题
You issued the following statement： SQL ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What will be the result of issuing the statement？（） A、 The control file will be multiplexed.B、 The control file will be recreated.C、The script containing the CREATE CONTROLFILE statement will be created.D、 The binary backup of the control file will be created.
考题
You have configured OMF in your database. You enabled the ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； statement to enable the block change tracking feature. What information will be written in the change tracking file？（）A、 the system change numberB、 the locations of the redo log filesC、 the locations of the datafilesD、 the physical location of all the database changes
考题
Which statement must you issue to an already-running Automatic Storage Management （ASM） instance to prevent database instances from connecting to the ASM instance？（） A、 ALTER SYSTEM KILL SESSIONB、 ALTER SYSTEM DISCONNECT SESSIONC、 ALTER SYSTEM QUIESCE RESTRICTEDD、 ALTER SYSTEM ENABLE RESTRICTED SESSION
考题
You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）A、Execute the ALTER DATABASE ARCHIVELOG statement B、Select ARCHIVELOG option in the database control and restart the database to apply the changes. C、Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement. D、Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
考题
There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（）A、Only bring the tablespace back online.B、Only recover the tablespace and then bring the tablespace back online.C、Shut down the database， recover the data file and then start up the database.D、Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.E、Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.
考题
You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement： SQLALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400； What is the outcome of this statement？ （）A、 The statement will not execute successfully.B、 The statement will execute successfully， and the backups metadata will be maintained in the control file for 400 daysC、 The statement will execute successfully， and the backups metadata will be maintained in the recovery catalog for 400 days.D、 Backups will be deleted from the media after 400 days.
考题
单选题There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（）A
Only bring the tablespace back online.B
Only recover the tablespace and then bring the tablespace back online.C
Shut down the database， recover the data file and then start up the database.D
Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.E
Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.
考题
单选题Your Oracle10g database contains a table with a TIMESTAMP TO LOCAL TIME ZONE column. There are about two hundred column values for the column. You issued the following statement： SQL ALTER DATABASE SET TIME_ZONE =’Europe/London’； What will be the result of issuing the above statement？（）A
The statement will be executed successfully， and a new time zone will be set for the database.B
The statement will be executed successfully， but a new time zone will not be set for the database.C
The statement will not be executed successfully because the SET TIME_ZONE clause can be used only with the ALTER SESSION statement.D
The statement will not be executed successfully because the ALTER DATABASE SET TIME_ZONE statement is used only when the database contains no table with the TIMESTAMP TO LOCAL TIME ZONE column.
考题
单选题You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement： SQLALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400； What is the outcome of this statement？ （）A
The statement will not execute successfully.B
The statement will execute successfully， and the backups metadata will be maintained in the control file for 400 daysC
The statement will execute successfully， and the backups metadata will be maintained in the recovery catalog for 400 days.D
Backups will be deleted from the media after 400 days.
考题
单选题You issued the following statement： SQL ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What will be the result of issuing the statement？（）A
The control file will be multiplexed.B
The control file will be recreated.C
The script containing the CREATE CONTROLFILE statement will be created.D
The binary backup of the control file will be created.
考题
多选题You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance： SQL ALTER SYSTEM SWITCH LOGFILE； Which two tasks are performed when the statement is executed？ （）AThe DBWn process writes to the datafile.BChanges in the background process are recorded.CThe log file is updated with the current SCN number.DThe System Change Number （SCN） is recorded in the control file.EThe changes to the listener configuration in the listener.ora file are recorded.
考题
多选题You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）AExecute the ALTER DATABASE ARCHIVELOG statementBSelect ARCHIVELOG option in the database control and restart the database to apply the changes.CShut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.DShut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
考题
单选题You issue this SQL statement： ALTER DATABASE RENAME FILE ’/ORADATA/u02/user_data01.dbf’ TO ’/ORADATA/u04/user_data01.dbf’； What does this SQL statement do？（）A
It updates the control file with the new location of the data file. B
It updates only the data dictionary with the new location of the data file. C
It changes the location of the user_data01.dbf file in the operating system. D
It changes the location of the user_data01.dbf file in the operating system and updates the control file with the new location of the data file.
考题
单选题You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）A
A text copy of the control file.B
A binary copy of the control file.C
A file containing a SQL statement which will re-create the database.D
A file containing a SQL statement which will re-create the control file.
考题
单选题You created the ORDERS table in your database by using the following code： SQL CREATE TABLE ORDERS （ORDER_DATE TIMESTAMP（0） WITH TIME ZONE）； Then， you inserted data in the ORDERS table and saved it by issuing the following statements：SQL INSERT INTO ORDERS VALUES（’18-AUG-00 10：26：44 PM America/New_York’）； SQL INSERT INTO ORDERS VALUES（’23-AUG-02 12：46：34 PM America/New_York’）； SQL COMMIT； Next， you issued the following statement to change the time zone for the database： SQL ALTER DATABASE SET TIME_ZONE=’Europe/London’； What will be the result of executing the above statement？（）A
The statement will fail.B
The statement will be executed successfully， and the new time zone will be set for the database.C
The statement will be executed successfully， but the new time zone will be set for the current session.D
The statement will be executed successfully， but the new time zone will neither be set for the database nor for a specific session.
考题
单选题You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature？（）A
ALTER DATABASE ENABLE BLOCK CHANGE TRACKINGB
ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE C
ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE D
ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING
考题
单选题Which statement must you issue to an already-running Automatic Storage Management （ASM） instance to prevent database instances from connecting to the ASM instance？（）A
ALTER SYSTEM KILL SESSIONB
ALTER SYSTEM DISCONNECT SESSIONC
ALTER SYSTEM QUIESCE RESTRICTEDD
ALTER SYSTEM ENABLE RESTRICTED SESSION
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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