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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
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;
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
Which two are prerequisites for performing a flashback transaction?()
A. Flashback Database must be enabled.B. Undo retention guarantee for the database must be configured.C. EXECUTE privilege on the DBMS_FLASHBACK package must be granted to the user flashing back transaction.D. Supplemental logging must be enabled.E. Recycle bin must be enabled for the database.F. Block change tracking must be enabled tor the database.
考题
You are employed as a DBA in an organization. You are informed that the record of EMP_NO 1000 is missing from the SCOTT.EMP table. You are required to identify the user who deleted the record， the SQL statement that will undo the deletion， and the transaction ID of the transaction that deleted the employee record. Which feature will you use to perform the tasks？（）A、 Only the Flashback TableB、 Both the Flashback Transaction Query and the Flashback Version QueryC、 Only the Flashback DropD、 Only the Flashback Version
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;
考题
You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）A、 You must enable the block change tracking feature.B、 You must have enable the flashback feature.C、 You must use the OMF in your database.D、 You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
考题
On Jan 11， 2005 at 2：30 P.M.， an erroneous update operation modified all the values of column LASTNAME in the EMPLOYEE table in the Scott schema to an empty string. You are the system administrator， and you want to return the original values in the table. To do so， you decided to flash back the table. Which two options can you use to flash back a table？（）A、 by using Oracle Enterprise ManagerB、 by issuing the FLASHBACK TABLE statement at the RMAN promptC、 by issuing the FLASHBACK TABLE statement at the SQL promptD、 by issuing the FLASHBACK TABLE statement at the LSNRCTL prompt
考题
You are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention？（）A、 V$FLASHBACK_DATABASE_LOGB、 V$FLASHBACK_DATABASE_STATC、 V$DATABASED、 V$UNDOSTAT
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
You are working in an online transaction processing (OLTP) environment. You use the FLASHBACKTABLE 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. Now, you need to reverse the effects of the FLASHBACK TABLE command. Which is the fastest and the most efficient option to reverse the effects of the FLASHBACK TABLE command?（）A、Restore the backup control file and open the database with RESETLOGS option.B、Perform point-in-time recovery because flashback cannot be performed again on this tableC、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
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
What are the prerequisites for performing flashback transactions? （）(Choose all that apply)A、Supplemental log must be enabledB、Supplemental log must be enabled for the primary keyC、Undo retention guarantee for the database must be configuredD、”EXECUTE “ permission on the DBMS_FLASHBACK package must be granted to the user
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
考题
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
Which two are prerequisites for performing a flashback transaction?（）A、Flashback Database must be enabled.B、Undo retention guarantee for the database must be configured.C、EXECUTE privilege on the DBMS_FLASHBACK package must be granted to the user flashing back transaction.D、Supplemental logging must be enabled.E、Recycle bin must be enabled for the database.F、Block change tracking must be enabled tor the database.
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
Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）A、 V$DATABASEB、 V$UNDOSTATC、 V$FLASHBACK_DATABASE_LOGD、 V$FLASHBACK_DATABASE_STAT
考题
You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table： SQL FLASHBACK TABLE ORDERS TO SCN 771513； What is the prerequisite to perform Flashback Table？（）A、 You must configure OMF in your database.B、 You must enable block change tracking feature in your database.C、 You must enable ROW MOVEMENT feature on the ORDERS table.D、 You must use the Flashback Version Query before using the Flashback Table feature.
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
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 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;
考题
多选题On Jan 11， 2005 at 2：30 P.M.， an erroneous update operation modified all the values of column LASTNAME in the EMPLOYEE table in the Scott schema to an empty string. You are the system administrator， and you want to return the original values in the table. To do so， you decided to flash back the table. Which two options can you use to flash back a table？（）Aby using Oracle Enterprise ManagerBby issuing the FLASHBACK TABLE statement at the RMAN promptCby issuing the FLASHBACK TABLE statement at the SQL promptDby issuing the FLASHBACK TABLE statement at the LSNRCTL prompt
考题
单选题You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table： SQL FLASHBACK TABLE ORDERS TO SCN 771513； What is the prerequisite to perform Flashback Table？（）A
You must configure OMF in your database.B
You must enable block change tracking feature in your database.C
You must enable ROW MOVEMENT feature on the ORDERS table.D
You must use the Flashback Version Query before using the Flashback Table feature.
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 ROLLBACK command with SCN 663571.B
Perform Flashback Transaction Query with SCN 663571.C
Execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571.D
Execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571.
考题
单选题You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）A
You must enable the block change tracking feature.B
You must have enable the flashback feature.C
You must use the OMF in your database.D
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
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 are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention？（）A
V$FLASHBACK_DATABASE_LOGB
V$FLASHBACK_DATABASE_STATC
V$DATABASED
V$UNDOSTAT
考题
多选题What are the prerequisites for performing flashback transactions? （）(Choose all that apply)ASupplemental log must be enabledBSupplemental log must be enabled for the primary keyCUndo retention guarantee for the database must be configuredD”EXECUTE “ permission on the DBMS_FLASHBACK package must be granted to the user
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