The database must have multiplexed redo log files
The database must be in the MOUNT state to execute the command
The database must be in the NOMOUNT state to execute the command
The database must be opened in RESTRICTED mode before this operation
The database must be opened with the RESETLOGS option after the flashback operation
第1题：
View the Exhibit and examine the steps that you executed to create a database resource plan. Subsequently, you execute the following procedure which results in an error:SQL> EXECUTE dbms_resources_manager.validate_pending_area ( );What could be the reason?（）
A. The pending area is automatically submitted after the plan creation
B. The procedure must be executed before creating the resources plan directive
C. The SYS_GROUP resource consumer group is not included in the resource plan directive
D. The OTHER_GROUPS resources consumer group is not included in the resource plan directive
第2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？（）
第3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 table
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
第4题：
Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）
第5题：
You plan to execute the following command to perform a Flashback Database operation in your database： SQL> FLASHBACK DATABASE TO TIMESTAMP （SYSDATE -5/24）； Which two statements are true about this？（）
第6题：
You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS; Under which conditions would this command execute successfully？ （）
第7题：
Which of the following DB2 tools allows a user to execute an SQL statement and view a graphical representation of the access plan?（）
第8题：
A. 4
B. 8
C. 7
D. 0
第9题：
You decided to change the location of the flash recovery area. You executed the following command： ALTER SYSTEM SET DB_RECOVERY_FILE_DEST=’+disk1’ SCOPE=BOTH SID=’*’； Which statement is true？（）
第10题：
You issued the following statement： SQL>ALTER DATABASE ENABLE RESUMABLE TIMEOUT n； What will be the result of issuing the above statement？（）