Examine the parameters for your database instance:You execute the following command:SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE;Which statement is true in this scenario?
Examine The Par 1 (5.54 KiB) Viewed 160 times
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.
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