1 | select 'alter database drop logfile member ' '' || member || '' ';' from ( select rank ()over ( partition by group # order by member) as rnk ,member from v$logfile ) where rnk=2 ; |
valid for standby database:
1 | alter system set standby_file_management=manual; |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | alter database add logfile thread 1 group 11 ( '+REDO' ) size 1G, group 12 ( '+REDO' ) size 1G, group 13 ( '+REDO' ) size 1G, group 14 ( '+REDO' ) size 1G, group 15 ( '+REDO' ) size 1G; alter database add logfile thread 2 group 21 ( '+REDO' ) size 1G, group 22 ( '+REDO' ) size 1G, group 23 ( '+REDO' ) size 1G, group 24 ( '+REDO' ) size 1G, group 25 ( '+REDO' ) size 1G; alter database add logfile thread 3 group 31 ( '+REDO' ) size 1G, group 32 ( '+REDO' ) size 1G, group 33 ( '+REDO' ) size 1G, group 34 ( '+REDO' ) size 1G, group 35 ( '+REDO' ) size 1G; alter database add standby logfile thread 1 group 111 ( '+REDO' ) size 1G, group 112 ( '+REDO' ) size 1G, group 113 ( '+REDO' ) size 1G, group 114 ( '+REDO' ) size 1G, group 115 ( '+REDO' ) size 1G, group 116 ( '+REDO' ) size 1G; alter database add standby logfile thread 2 group 121 ( '+REDO' ) size 1G, group 122 ( '+REDO' ) size 1G, group 123 ( '+REDO' ) size 1G, group 124 ( '+REDO' ) size 1G, group 125 ( '+REDO' ) size 1G, group 126 ( '+REDO' ) size 1G; alter database add standby logfile thread 3 group 131 ( '+REDO' ) size 1G, group 132 ( '+REDO' ) size 1G, group 133 ( '+REDO' ) size 1G, group 134 ( '+REDO' ) size 1G, group 135 ( '+REDO' ) size 1G, group 136 ( '+REDO' ) size 1G; |
valid for standby database:
1 | alter system set standby_file_management=auto; |