WebSep 7, 2016 · When you run the FLASHBACK DATABASE command, Oracle applies the flashback logs as well as the archived redo logs to return the database to the specified time. Its a rewind button for the Oracle database.Flashback provides a way to recover only logical data corruptions not a media corruption. WebAug 11, 2016 · Perform Flashback Table Use the FLASHBACK TABLE command to flash back table to a time before you performed the update to the HR.REGIONS table. Query …
Using Oracle Flashback Technology
WebEssentially, Oracle Virtual Private Database adds a dynamic WHERE clause to a SQL statement that is issued against the table, view, or synonym to which an Oracle Virtual Private Database security policy was applied.. Oracle Virtual Private Database enforces security, to a fine level of granularity, directly on database tables, views, or synonyms. WebExplain the difference between an inner join and an outer join. An inner join gives an intersection of the row in common, an outer join combines all the rows. The default keyword for group functions is ____. ALL. Functions that return one result per group of rows are called ____ functions. all of the above. i put it all in his hands
SQL Flashcards Quizlet
WebNov 3, 2016 · The ORA-08189 is expected because as previously mentioned, one of the prerequisites for using this feature is to enable row movement, and then it would be possible to execute the flashback table command, as follows: SQL > alter table EMP enable row movement; Table altered. SQL> flashback table EMP to scn 483077247; Flashback … WebEnable tracking of table data using Flashback Data Archive; Back out data changes using flashback transaction; Configure archivelog deletion policies; Create archival backups for long-term storage; Create a snapshot standby database; Create a tablespace with encryption for added security; Use large object encryption for SecureFile LOBs i put in work song