command BACKUP RECOVERY AREA.This command will take the backup of all the files in the FRA to tape only. After this the space occupied by the files in the FRA will be marked as reclaimable。 the larger the fast recovery area, the more useful it is. Ideally, the fast recovery area shoul...
如果已经覆盖了,必须从归档目录拷贝到从库pg_wal目录中。 6、从库激活时,主库从这个时间点开始所有的WAL还在pg_wal目录,或者从库可以使用restore_command获得(recovery.conf)。 recovery.conf restore_command = 'cp /data04/ppas11/wal/%f%p' 7、pg_rewind命令帮助 https://www.postgresql.org/docs/11/app-...
D.The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve. 答案:d SQL> conn / as sysdba。 SQL> alter flashback archive fla1 set default; SQL> select FLASHBACK_ARCHIVE_NAME,STATUS from dba_flashback_archive; FLASHBAC...
Appending a SQL command output file rather than overwriting it? Appending text to a field that already contains text using TSQL apply cross apply function on condition Arabic question mark Arduino and SQL Server Are there any Bitmap(ped) indexes in SQL Server? Are there MIN(A,B) or MAX(A...
In order to enable the flashback, the recovery has to be stopped. You can use the following command to stop the recovery on standby database SQL> alter database recover managed standby database cancel; - Enable Flashback : SQL> alter database flashback on; ...
Continuous Data Archive Offers continuous archival of changes to comply with industry and government regulations. Easy to Use Revert the database or a table to a previous point in time with a single command. Query data from the past with a single SELECT statement.Flash...
SQL> alter database open; 数据库已更改。 SQL> alter system set db_recovery_file_dest=''; 系统已更改。 SQL> show parameter db_recovery_file_dest NAME TYPE VALUE --- --- --- db_recovery_file_dest string db_recovery_file_dest_size big integer 3852M SQL> 注意: (1)DB_RECOVERY...
SQL> alter system set db_recovery_file_dest=''; alter system set db_recovery_file_dest='' * 第1行出现错误: ORA-02097:无法修改参数,因为指定的值无效 ORA-38775:无法禁用恢复区-闪回数据库已启用 SQL> shutdown immediate 数据库已经关闭。
To free space in the FRA we could do take a backup of the Flash Recovery Area using the command BACKUP RECOVERY AREA.This command will take the backup of all the files in the FRA to tape only. After this the space occupied by the files in the FRA will be marked as reclaimable。
recreated using ALTER DATABASE CREATE DATAFILE command, and the file has to be onlined and recovered. Flashback Media Recovery Log /oradata06/fra/TSTDB1/archivelog/2015_04_27/o1_mf_1_1302_1jJsFPtbI_.arc Flashback Media Recovery Log /oradata06/fra/TSTDB1/archivelog/2015_04_27/o1_mf_1...