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单选题
What is the correct command to stop the currently executing job "test" in JOBS job stream on a local machine？（）
A
conman k test
B
conman cj test
C
conman k jobs.test
D
conman cj jobs.test
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You executed the following command to drop a user:DROP USER scott CASCADE;Which two statements regarding the above command are correct?()
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What is the correct command to stop the currently executing job "test" in JOBS job stream on a local machine？（）A、 conman "k test"B、 conman "cj test"C、 conman "k jobs.test"D、 conman "cj jobs.test"
考题
foo and bar are public references available to many other threads. foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， which statement is the most reliable way to ensue that foo will stop executing wait（）？ A、 foo.notify（）；B、 bar.notify（）；C、 foo.notifyAll（）；D、 Thread.notify（）；E、 bar.notiFYAll（）；F、 Object.notify（）；
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Which command would you use to determine what database backups are currently available for restore?（）A、list database backupB、report database backup C、list backup of databaseD、list summary backupE、report backup of database
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Which command would you use to determine what database backups are currently available for restore？（） A、 list database backupB、 report database backupC、 list backup of databaseD、 list summary backupE、 report backup of database
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You previously secured your listener with an encrypted password. However， you need to set a new password for security reasons. What is the correct method for setting a new encrypted password for the listener using the Listener Control utility？（）A、 executing the SET PASSWORD command and then the SAVE_CONFIG commandB、 executing the CHANGE_PASSWORD command and then the SAVE_CONFIG commandC、 executing the CHANGE_PASSWORD command and then the SET PASSWORD commandD、 executing the SET PASSWORD command， then the CHANGE_PASSWORD command and finally， the SAVE_CONFIG command
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单选题Your database is in ARCHIVELOG mode. You lost an index tablespace due to a disk failure while the database was open. You have neither a backup of the lost index tablespace nor the scripts containing the CREATE INDEX statements to recreate the indexes. Currently， several users are executing long-running queries on the database. What will happen to the ongoing activity in the database？（）A
The queries that are currently executing will abort and an error message will be returned to the user.B
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考题
单选题You previously secured your listener with an encrypted password. However， you need to set a new password for security reasons. What is the correct method for setting a new encrypted password for the listener using the Listener Control utility？（）A
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多选题You executed the following command to drop a user: DROP USER scott CASCADE; Which two statements regarding the above command are correct?（）AAll the objects of scott are moved to the Recycle Bin.BAny objects in the Recycle Bin belonging to scott are purged.CAll the objects owned by scott are permanently dropped from the database.DAll the objects of scott in the Recycle Bin must be purged before executing the DROP command.EAny objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.
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多选题Which Scheduler view（s） can be queried to see which jobs are currently executing？（）ADBA_SCHEDULER_JOB_RUN_DETAILSBDBA_SCHEDULER_RUNNING_JOBSCDBA_SCHEDULER_CURRENT_JOBSDDBA_SCHEDULER_JOBSEDBA_SCHEDULER_EXECUTING_JOBS
考题
单选题What command would be used to restart the mail daemon？（）A
sendmail -biB
refresh -s sendmailC
restart -a sendmailD
/etc/sendmail.cf -stop /etc/sendmail.cf -start
考题
单选题A cluster script failed because it was unable to set the hostname， and the Cluster Manager reported the event failure. What must be done prior to sue the "HACMP Problem Determination Tools" - "Recover From Script Failure" to have the Cluster Manager resume cluster processing？（）A
Nothing， the Recover From Script Failure will correct the issue.B
Disable and re-enable the effected Ethernet adapter by using ifconfig.C
Correct the error by setting the hostname on the effected node from the command line.D
Verify that the clinfo daemon is running prior to executing the recover from scriptfailure.
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单选题What is the correct command to display the current working directory?（）A
echo $PWDB
echo $pwdC
echo $CWDD
echo $cwd
考题
单选题You are working in an online transaction processing （OLTP） environment. You used the FLASHBACK TABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command， the System Change Number （SCN） was 663571. After flashing back the CUSTOMERS table， you realize that the table is not in the correct state and the resultant changes are not what you had desired. So， you need to reverse the effects of the FLASHBACK TABLE command while ensuring that： a） No other user data in the database is affected. b） The operation takes the minimum possible time. Which option would you choose？（）A
use the ROLLBACK command with SCN 663571B
perform Flashback Transaction Query with SCN 663571C
execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571D
execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571
考题
单选题Given： foo and bar are public references available to many other threads， foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， what provides the most reliable way to ensure that foo will stop executing wait（）？（）A
foo.notify（）；B
bar.notify（）；C
foo.notifyAll（）；D
Thread.notify（）；E
bar.notifyAll（）；F
Object.notify（）；
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单选题You execute the following command in your Certkiller .com production database to change the width of the CUST_NAME column of the CUSTOMERS table： ALTER TABLE customers MODIFY （cust_nameVARCHAR2 （40）） / When you execute the command， it displays the following error message： ERROR at line 1： ORA-00054： resource busy and acquire with NOWAIT specified What could be the reason for the error message？（）A
The database instance is not available.B
The ALTER TABLE command does not have WAIT optionC
The table or a row in the table is currently locked by another user session.D
The database instance is busy processing other user sessions commands.E
The CUSTOMERS table has no long running query active at the time when this request is made.F
The server process executing the ALTER TABLE command is busy with another command execution
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单选题Given： foo and bar are public references available to many other threads. foo refers to a Thread and bar is anObject. The thread foo is currently executing bar.wait（）. From another thread，what provides the most reliable wayto ensure that foo will stop executing wait（）？A
foo.notify（）；B
bar.notify（）；C
foo.notifyAll（）；D
Thread.notify（）；E
bar.notifyAll（）；
考题
单选题foo and bar are public references available to many other threads. foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， which statement is the most reliable way to ensue that foo will stop executing wait（）？A
foo.notify（）；B
bar.notify（）；C
foo.notifyAll（）；D
Thread.notify（）；E
bar.notiFYAll（）；F
Object.notify（）；
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