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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.)
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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更多 “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;” 相关考题
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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;
考题
You executed the following command to drop a user:DROP USER scott CASCADE;Which two statements regarding the above command are correct?()
A. All the objects of scott are moved to the Recycle Bin.B. Any objects in the Recycle Bin belonging to scott are purged.C. All the objects owned by scott are permanently dropped from the database.D. All the objects of scott in the Recycle Bin must be purged before executing the DROP command.E. Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.
考题
The DBA issues this SQL command: CREATE USER scott IDENTIFIED by tiger; What privileges does the user Scott have at this point?()
A. no privilegesB. only the SELECT privilegeC. only the CONNECT privilegeD. all the privileges of a default user
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在Oracle中，用ALTER将scott的口令改为hello，下列哪个是正确的？（ ）A.ALTER USER scott IDENTIFIED BY helloB.ALTER scott USER IDENTIFIED BY helloC.ALTER USER scott IDENTIFIED AS helloD.ALTER USER hello IDENTIFIED BY scott
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在Oracle中，将当前系统所有角色都授予scott，除Payroll外，下列哪个是正确的?()A、ALTER DEFAULT ROLLE USER scott ALL EXCEPT PayrollB、ALTER USER DEFAULT ROLLE ALL EXCEPT PayrollC、ALTER DEFAULT ROLLE ALL EXCEPT USER scottD、ALTER USER scott DEFAULT ROLLE ALL EXCEPT Payroll
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An administrator received a call from a user whose PC crashed while using vi to edit a file. The user wants the edited file back. Where should the administrator look for the file（）A、/tmpB、/var/preserveC、/var/tmp/$USERD、$HOME/.vi
考题
The session of user SCOTT receives the following error after executing an UPDATE command onthe EMP table： ERROR at line 1： ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened by user JIM has a transaction that caused the deadlock. two statements are true regarding the session of SCOTT in this scenario（）A、The session is terminated after receiving the error and JIM can continue with his transaction.B、SCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.C、The session is rolled back after receiving the error and JIM can continue with his transaction.D、SCOTT has to reexecute the last command in the transaction after he commits the transaction.
考题
The HR user creates a view with this command： SQL CREATE VIEW emp_v AS SELECT * FROM scott.emp； Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user. Which statement is true in this scenario？（）A、HR can grant the privilege to JIM but without GRANT OPTION.B、HR can grant the privilege to JIM because HR is the owner of the view.C、SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.D、HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.
考题
The DBA issues this SQL command:CREATE USER scott IDENTIFIED by tiger;What privileges does the user Scott have at this point?（）A、no privilegesB、only the SELECT privilegeC、only the CONNECT privilegeD、all the privileges of a default user
考题
You set the undo pool resource plan directive for the consumer group named DSS_USERS that is assigned to the DAY_SHIFT plan. The database users， SCOTT and BLAKE， belong to the DSS_USERS resource group. The user， SCOTT， initiates a database session and executes a batch operation that inserts millions of rows into the HISTORY table. Which two options are true if the total undo space allocated to the DSS_USERS group exceeds the value specified in the undo pool resource plan directive？（）A、 The batch operation started by the user， SCOTT， terminates with an error.B、 The batch operation started by the user， SCOTT， hangs and you are required to increase the undo pool resource plan directive.C、 The batch operation started by the user， SCOTT， runs uninterrupted because the database uses the SYSTEM tablespace for the undo operation.D、 The user， BLAKE， cannot start a transaction that uses any DML operations until you increase the value of the undo pool resource plan directive.E、 The user BLAKE can start a transaction that uses any DML operations after the batch operation started by the user， SCOTT， terminates with an error.
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;
考题
单选题The DBA issues this SQL command: CREATE USER scott IDENTIFIED by tiger; What privileges does the user Scott have at this point?（）A
no privilegesB
only the SELECT privilegeC
only the CONNECT privilegeD
all the privileges of a default user
考题
单选题What will be the result of using the SQL DROP USER SCOTT CASCADE； command？（）A
The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and the objects that are already in the Recycle Bin are dropped.B
The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and all the objects in the Recycle Bin， belonging to the user Scott， are not dropped.C
The user， Scott， is dropped， all the objects in the Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin， belonging to the user， Scott， are not dropped.D
The user， Scott， is dropped， all the objects in Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin are dropped.
考题
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.
考题
单选题You are using the Database Resource Manager to manage database resources. You created a resource plan directive for the MANAGERS resource consumer group under the SALES_PLAN by using the following statement： SQLEXEC DBMS_RESOURCE_MANAGER.CREATE_PLAN_DIRECTIVE （PLAN = ’SALES_PLAN’， GROUP_OR_SUBPLAN = ’MANAGERS’， CPU_P1 = 100， CPU_P2 =0， SWITCH_GROUP = ’CLERKS’， SWITCH_TIME_IN_CALL = 600）； A user， SCOTT， who is assigned to the MANAGERS group， starts a database session and executes a query on the database. What is the outcome if the query takes approximately 15 minutes to complete？（）A
The query starts under the CLERKS group and the user， SCOTT， switches back to the MANAGERS group after the query completes.B
The query starts under the MANAGERS group but terminates with an error when the execution time exceeds 10 minutes.C
The query starts under the MANAGERS group and switches automatically to the CLERKS group when the execution time exceeds 10 minutes. The query does not switch back to the MANAGERS group after the query completes.D
The query starts under the MANAGERS group， the user SCOTT switches automatically to the CLERKS group when the execution time exceeds 10 minutes， and then switches back to the MANAGERS group after the query completes.
考题
多选题You set the undo pool resource plan directive for the consumer group named DSS_USERS that is assigned to the DAY_SHIFT plan. The database users， SCOTT and BLAKE， belong to the DSS_USERS resource group. The user， SCOTT， initiates a database session and executes a batch operation that inserts millions of rows into the HISTORY table. Which two options are true if the total undo space allocated to the DSS_USERS group exceeds the value specified in the undo pool resource plan directive？（）AThe batch operation started by the user， SCOTT， terminates with an error.BThe batch operation started by the user， SCOTT， hangs and you are required to increase the undo pool resource plan directive.CThe batch operation started by the user， SCOTT， runs uninterrupted because the database uses the SYSTEM tablespace for the undo operation.DThe user， BLAKE， cannot start a transaction that uses any DML operations until you increase the value of the undo pool resource plan directive.EThe user BLAKE can start a transaction that uses any DML operations after the batch operation started by the user， SCOTT， terminates with an error.
考题
单选题An administrator received a call from a user whose PC crashed while using vi to edit a file. The user wants the edited file back. Where should the administrator look for the file（）A
/tmpB
/var/preserveC
/var/tmp/$USERD
$HOME/.vi
考题
单选题You execute the following command to audit the database activities： SQL AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL; What is the effect of this command？（）A
One audit record is created for the whole session if user SCOTT successfully drops one or more tables in his session.B
One audit record is created for every session when any user successfully drops a table owned by SCOTT.C
One audit record is created for each successful DROP TABLE command executed by any user to drop tables owned by SCOTT.D
One audit record is generated for the session when SCOTT grants the DROP ANY TABLE privilege to other users in his session.E
One audit record is created for each successful DROP TABLE command executed in the session of SCOTT.
考题
单选题The HR user creates a view with this command： SQL CREATE VIEW emp_v AS SELECT * FROM scott.emp； Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user. Which statement is true in this scenario？（）A
HR can grant the privilege to JIM but without GRANT OPTION.B
HR can grant the privilege to JIM because HR is the owner of the view.C
SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.D
HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.
考题
单选题The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command： SQL GRANT SELECT，INSERT，UPDATE ON emp TO scott WITH GRANT OPTION； The user SCOTT executes this command to grant privileges to the user JIM： SQL GRANT SELECT，INSERT，UPDATE ON hr.emp TO jim； Now， the user HR decides to revoke privileges from JIM using this command： SQL REVOKE SELECT，INSERT，UPDATE ON emp FROM jim； Which statement is true after HR issues the REVOKE command（）A
The command fails because SCOTT still has privileges.B
The command succeeds and privileges are revoked from JIM.C
The command fails because HR cannot revoke the privileges from JIM.D
The command succeeds and only HR has the privilege to perform the SELECT， INSERT， and UPDATEoperations on the EMP table.
考题
多选题User SCOTT wants to perform a bulk insert operation in the EMP_DEP table. SCOTT receives the followingerror after the INSERT statement is issued and few rows are inserted：INSERT INTO EMP_DEP （emp_id，name，salary，dep_name，mgr_id） *ERROR at line 1： ORA-01653： unable to extend table SCOTT.EMP_DEP by 128 in tablespace USERS Identify two actions eitherof which will help you resolve this problem. （）AGrant the RESOURCE role to SCOTT.BAdd data files to the USERS tablespace.CGrant the CREATE ANY TABLE privilege to SCOTT.DIncrease the space for SCOTT on the USERS tablespace.EIncrease the size of the data file associated with the USERS tablespace
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
考题
单选题You manage several computers that run Windows 7. A user wants to roll back a driver. The user opens thedevice properties in Device Manager and discovers that the Roll Back Driver option is unavailable. Youconnect to the computer by using Windows Remote Assistance. You need to roll back the driver to itsprevious version. What should you do first?（）A
Add the user to the Power Users group.B
Right-click Device Manager and select Run as administrator.C
From System Properties， modify Device Installation Settings.D
From the Local Group Policy， modify Device Installation Restrictions.
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