WebOLDEST_FLASHBACK_SCN. NUMBER. Lowest system change number (SCN) in the flashback data, for any incarnation. OLDEST_FLASHBACK_TIME. DATE. Time of the … WebAn offline copy of an online redo logs is called an archived redo log. You must run the database in ARCHIVELOG mode to archive redo logs. asynchronous I/O A server process can begin an I/O and then perform other work while waiting for the I/O to complete while RMAN is either reading or writing data.
Flashback Database and Flashback Logs - Oracle
WebA. FLASHBACK LOGS are archived after a log switch. B. A database can be flashed back using SQL*PLUS. C. Queries and DML have the same FLASHBACK LOG overhead … Web(Choose two.) A. FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files. B. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files. C. FLASHBACK TABLE can undrop a column. D. FLASHBACK DROP can undrop an index when undropping a … citizens advice bureau wimborne dorset
standby stop applying archivelogs - Oracle Forums
WebFlashback logs, by design, cannot be backed up outside the flash recovery area. Therefore, in a BACKUP RECOVERY AREA operation the flashback logs are not backed up to tape. Flashback logs are deleted automatically to satisfy the need for space for other files in the flash recovery area. WebAug 5, 2013 · We we configuire the FRA and enable the flashback feature in oracle, the logs that gets generated depends on the number of changes that happens at the database level and the changes are also captured in archive logs. I need to know is there a difference between the two logs? Regards, Sphinx. Comments. WebApr 27, 2024 · Flashback logs are written sequentially not archived Oracle automatically creates, resizes and deletes flashback logs in the flash recovery area DBA should be aware of flashback logs to monitor performance, to decide how much space to allocate to the flash recovery area citizens advice bureau winsford