单选题The（）writes the Flashback Database logs in the flash recovery area.A FLSHB FLDBC RVWRD RVRWE FBDA
单选题
The（）writes the Flashback Database logs in the flash recovery area.
A
FLSH
B
FLDB
C
RVWR
D
RVRW
E
FBDA
参考解析
解析：
暂无解析
相关考题：
单选题You notice that a job in a chain has not completed on a nonconstrained RAC database. Which of these are valid reasons why that might occur？（）A The job priority is 1 and the resource consumer group CPU emphasis allocation is a low percentage.B The job affinity is to a service and one node in that service is unavailable.C The job affinity is to an instance and that instance is unavailable.D There is no service affinity.E None of the above.
单选题Which statement is true regarding virtual private catalogs?（）AA virtual private catalog owner can create a local stored script, and have read/write access to a global stored script.BThe virtual private catalog owner cannot create and modify the stored scripts.CThe set of views and synonyms that make up the virtual private catalog is stored in the schema of the RMAN recovery catalog owner.DTo perform most of the RMAN operations, the virtual catalog owner must have the SYSDBA or SYSOPER privilege on the target database
单选题Which initialization parameter in an ASM instance specifies the disk groups to be automatically mounted at instance startup？（）A ASM_DISKMOUNTB ASM_DISKGROUPC ASM_DISKSTRINGD ASM_MOUNTGROUP
单选题What is the impact of the results of the output of the following command？（） RMAN report unrecoverable database； Report of files that need backup due to unrecoverable operations File Type of Backup Required Name 4 full or incremental C:///ORACLE/ORADATA/ORCL/USERS01.DBFA There are no backup sets with any backups of the users01.dbf datafile.B The users01.dbf datafile has had unrecoverable operations occur in it. It will need to be backed up or some data loss is possible during a recovery.C The users01.dbf datafile is corrupted.D The users01.dbf datafile backup exceeds the retention criteria.E The last backup of the users01.dbf datafile failed and must be rerun.
单选题Which of these appropriately describes the results of a manual SQL Tuning Advisor task？（）A A list of SQL statements and recommendations for tuningB A list of SQL statements that have been tuned by the Advisor，with before and after metrics C Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changesD All of the above
单选题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?（）ARestore the backup control file and open the database with RESETLOGS option.BPerform point-in-time recovery because flashback cannot be performed again on this tableCExecute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571DExecute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571
单选题Which view shows all valid values for the NLS_LANGUAGE， NLS_SORT， NLS_TERRITORY， and NLS_CHARACTERSET parameters？（）A V$VALID_NLS_VALUESB NLS_VALID_VALUESC NLS_VALUE_OPTIONSD V$NLS_VALUE_OPTIONSE V$NLS_VALID_VALUES
单选题How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yetcompleted?（）AIssue the ALTER DISKGROUP ... ADD DISK command.BIssue the ALTER DISKGROUP ... UNDROP DISKS command.CIssue the ALTER DISKGROUP ... DROP DISK CANCEL command.DRetrieve the disk from the Recycle Bin after the operation completes.