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单选题
All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL> UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL> DELETE FROM persons WHERE exp=’Y’；3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）
A
All sessions of the HR user only
B
All sessions of the HR user and the SYS user
C
The session of the HR user that executed the commands
D
All the sessions for which the database users have access privilege to the PERSONS table
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更多 “单选题All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL DELETE FROM persons WHERE exp=’Y’；3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）A All sessions of the HR user onlyB All sessions of the HR user and the SYS userC The session of the HR user that executed the commandsD All the sessions for which the database users have access privilege to the PERSONS table” 相关考题
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Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl >STOPWhat happens to the sessions that are presently connected to the database Instance?（）A. They are able to perform only queries.B. They are not affected and continue to function normally.C. They are terminated and the active transactions are rolled back.D. They are not allowed to perform any operations until the listener LISTENER is started
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You executed the following command in the lsnrctl utility to stop the listener： lsnrctl STOP L1 What is the effect of this command if L1 is the only listener configured for your database？（）A、It terminates all user sessions.B、It prevents users from logging in to the database remotely.C、It halts the server until all user transactions are completed.D、The server hangs， so users will receive an error asking them to login again.E、Connected users would get an error with the message "End of communication channel".
考题
Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL STOP What would happen to the sessions that are presently connected to the database instance？（）A、The sessions are able to perform only queries.B、The sessions are not affected and continue to function normally.C、The active transactions are rolled back and the sessions get terminated.D、The sessions are not allowed to perform any operations till the listener is started.
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All the database users are presently connected to the database instance and working. The HR userhas opened three database sessions and executed the following command in one of his sessions： SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated. SQL DELETE FROM persons WHERE exp=’Y’； 3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can seethe effect of the UPDATE and DELETE commands （）A、all sessions of the HR user onlyB、all sessions of the HR user and the SYS userC、the session of the HR user that executed the commandsD、all the sessions for which the database users have access privilege to the PERSONS table
考题
All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL DELETE FROM persons WHERE exp=’Y’；3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）A、All sessions of the HR user onlyB、All sessions of the HR user and the SYS userC、The session of the HR user that executed the commandsD、All the sessions for which the database users have access privilege to the PERSONS table
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Your database is open and the LISTENER listener is running. The new DBA of the system stops the listener byusing the command：LSNRCTL STOP What happens to the sessions that are presently connected to the database instance（）A、The sessions are able to perform only queries.B、The sessions are not affected and continue to function normally.C、The sessions are terminated and the active transactions are rolled back.D、The sessions are not allowed to perform any operations till the listener is started
考题
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考题
You created a profile APP_USER and assigned it to the users. After a month， you decide to drop theprofile.Some user sessions are currently connected to the database instance and are using the APP_USERprofile. This command is used to drop the profile： SQL DROP PROFILE app_user； Which statement describes the result（）A、The command produces an error.B、The profile is dropped and current user sessions use the DEFAULT profile immediately.C、The profile is dropped and only the subsequent user sessions use the DEFAULT profile.D、The profile is dropped， the sessions are terminated， and the subsequent user sessions use theDEFAULT profile.
考题
The user SCOTT executes the following command successfully to increase the salary values in one of his sessions： SQL UPDATE emp SET sal=sal*1.15 WHERE deptno=20； Before SCOTT ends the transaction， user HR who has the privileges on EMP table executes a query to fetch the salary details but finds the old salary values instead of the increased values. Why does HR still see the old data？（）A、because of redo data from redo log fileB、because of data from database buffer cacheC、because of data from a temporary tablespaceD、because of undo data from the undo tablespace
考题
In your database instance， the user sessions are connected to the database server from the remotemachines. You want to achieve the following for these users： 1：The user account must be locked after four unsuccessful login attempts.PASSWORD_LOCK_TIME 2：The user must be prompted to change the password at regular intervals.PASSWORD_LIFE_TIME 3：The user may not have more than three simultaneous sessions.SESSIONS_PER_USER 4：The user session must automatically be logged off if more than 10 minutes elapsed time used.CONNECT_TIME How would you accomplish the above（）A、by assigning profiles for the usersB、by implementing Fine-Grained Auditing （FGA）C、by granting a secure application role to the usersD、by implementing the Database Resource Manager plan
考题
Your database is open and the LISTENER listener is running. The new DBA of the system stops thelistener by using the command： LSNRCTL STOP What happens to the sessions that are presently connected to the database instance（）A、The sessions are able to perform only queries.B、The sessions are not affected and continue to function normally.C、The sessions are terminated and the active transactions are rolled back.D、The sessions are not allowed to perform any operations till the listener is started.
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The current time zone for one of the user sessions is set to the database local time zone. For one application， the user session requires the time zone to be set to the local operating system time zone without affecting other user sessions. Which two solutions could the user implement to achieve this objective？ （）A、 use the ALTER SYSTEM command to change the time zoneB、 use the ALTER SESSION command to change the time zoneC、 use the ALTER DATABASE command to change the time zoneD、 set the value for the operating system variable ORA_SDTZ on the client machineE、 set the value for the operating system variable ORA_SDTZ on the database server machine
考题
The database users are connecting to the PROD database from different applications， thereby degrading the database performance. The senior database administrator suspects the large number of concurrent connections to be the reason for low performance and asks you to restrict the number concurrent connections per database user to one. Which action would you take to achieve this objective？ （）A、set the SESSIONS to 1 in the parameter fileB、grant SINGLE SESSION privilege to all of the usersC、set the SESSIONS_PER_USER to 1 in the users’ profileD、grant RESTRICTED SESSION privilege to all of the database usersE、create a role with SINGLE SESSION privilege and assign the role to the users
考题
单选题In your database instance， the user sessions are connected to the database server from the remote machines.You want to achieve the following for these users： 1. The user account must be locked after four unsuccessful login attempts. 2. The user must be prompted to change the password at regular intervals. 3. The user may not have more than three simultaneous sessions. 4. The user session must automatically be logged off if more than 10 minutes elapsed time used. How would you accomplish the above（）A
By assigning profiles for the usersB
By implementing Fine-Grained Auditing （FGA）C
By granting a secure application role to the usersD
By implementing the Database Resource Manager plan
考题
单选题In your database instance， the user sessions are connected to the database server from the remotemachines. You want to achieve the following for these users： 1：The user account must be locked after four unsuccessful login attempts.PASSWORD_LOCK_TIME 2：The user must be prompted to change the password at regular intervals.PASSWORD_LIFE_TIME 3：The user may not have more than three simultaneous sessions.SESSIONS_PER_USER 4：The user session must automatically be logged off if more than 10 minutes elapsed time used.CONNECT_TIME How would you accomplish the above（）A
by assigning profiles for the usersB
by implementing Fine-Grained Auditing （FGA）C
by granting a secure application role to the usersD
by implementing the Database Resource Manager plan
考题
单选题Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL STOP What would happen to the sessions that are presently connected to the database instance？（）A
The sessions are able to perform only queries.B
The sessions are not affected and continue to function normally.C
The active transactions are rolled back and the sessions get terminated.D
The sessions are not allowed to perform any operations till the listener is started.
考题
单选题View the Exhibit to examine the output produced by the following query at three different times since thedatabase instance started and has experienced workloads of different capacities：SQL SELECT substr（component， 0， 10） COMP， current_size CS， user_specified_size US FROM v$memory_dynamic_componentsWHERE current_size!=0；What do you infer from this（）A
The database instance is running with manual PGA management.B
The database instance is running with manual shared memory management.C
The database instance has the MEMORY_TARGET value set to a nonzero value.D
All sessions are connected to the database instance in dedicated mode， and no RMAN or parallel queryoperations have been performed
考题
单选题All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.SQL DELETE FROM persons WHERE exp=’Y’；3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands（）A
All sessions of the HR user onlyB
All sessions of the HR user and the SYS userC
The session of the HR user that executed the commandsD
All the sessions for which the database users have access privilege to the PERSONS table
考题
单选题All the database users are presently connected to the database instance and working. The HR userhas opened three database sessions and executed the following command in one of his sessions： SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated. SQL DELETE FROM persons WHERE exp=’Y’； 3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can seethe effect of the UPDATE and DELETE commands （）A
all sessions of the HR user onlyB
all sessions of the HR user and the SYS userC
the session of the HR user that executed the commandsD
all the sessions for which the database users have access privilege to the PERSONS table
考题
单选题Your database is open and the LISTENER listener is running. The new DBA of the system stops the listener byusing the command：LSNRCTL STOP What happens to the sessions that are presently connected to the database instance（）A
The sessions are able to perform only queries.B
The sessions are not affected and continue to function normally.C
The sessions are terminated and the active transactions are rolled back.D
The sessions are not allowed to perform any operations till the listener is started
考题
单选题You created a profile APP_USER and assigned it to the users. After a month， you decide to drop theprofile.Some user sessions are currently connected to the database instance and are using the APP_USERprofile. This command is used to drop the profile： SQL DROP PROFILE app_user； Which statement describes the result（）A
The command produces an error.B
The profile is dropped and current user sessions use the DEFAULT profile immediately.C
The profile is dropped and only the subsequent user sessions use the DEFAULT profile.D
The profile is dropped， the sessions are terminated， and the subsequent user sessions use theDEFAULT profile.
考题
多选题The current time zone for one of the user sessions is set to the database local time zone. For one application， the user session requires the time zone to be set to the local operating system time zone without affecting other user sessions. Which two solutions could the user implement to achieve this objective？ （）Ause the ALTER SYSTEM command to change the time zoneBuse the ALTER SESSION command to change the time zoneCuse the ALTER DATABASE command to change the time zoneDset the value for the operating system variable ORA_SDTZ on the client machineEset the value for the operating system variable ORA_SDTZ on the database server machine
考题
单选题You executed the following command in the lsnrctl utility to stop the listener： lsnrctl STOP L1 What is the effect of this command if L1 is the only listener configured for your database？（）A
It terminates all user sessions.B
It prevents users from logging in to the database remotely.C
It halts the server until all user transactions are completed.D
The server hangs， so users will receive an error asking them to login again.E
Connected users would get an error with the message End of communication channel.
考题
单选题The user SCOTT executes the following command successfully to increase the salary values in one of his sessions： SQL UPDATE emp SET sal=sal*1.15 WHERE deptno=20； Before SCOTT ends the transaction， user HR who has the privileges on EMP table executes a query to fetch the salary details but finds the old salary values instead of the increased values. Why does HR still see the old data？（）A
because of redo data from redo log fileB
because of data from database buffer cacheC
because of data from a temporary tablespaceD
because of undo data from the undo tablespace
考题
单选题The database users are connecting to the PROD database from different applications， thereby degrading the database performance. The senior database administrator suspects the large number of concurrent connections to be the reason for low performance and asks you to restrict the number concurrent connections per database user to one. Which action would you take to achieve this objective？ （）A
set the SESSIONS to 1 in the parameter fileB
grant SINGLE SESSION privilege to all of the usersC
set the SESSIONS_PER_USER to 1 in the users’ profileD
grant RESTRICTED SESSION privilege to all of the database usersE
create a role with SINGLE SESSION privilege and assign the role to the users
考题
单选题Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl STOPWhat happens to the sessions that are presently connected to the database Instance?（）A
They are able to perform only queries.B
They are not affected and continue to function normally.C
They are terminated and the active transactions are rolled back.D
They are not allowed to perform any operations until the listener LISTENER is started
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