Examine the parameters for your database instance:
//IMG//
You execute the following command:
SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE;
Which statement is true in this scenario?
- A.Undo data is written to flashback logs after 1200 seconds.
- B.Inactive undo data is retained for 1200 seconds even if subsequent transactions fail due to lack of space in the undo tablespace.
- C.You can perform a Flashback Database operation only within the duration of 1200 seconds.
- D.An attempt is made to keep inactive undo for 1200 seconds but transactions may overwrite the undo before that time has elapsed.