Which two are true about the usage of DBMS_ROLLING?
Which two are true about the usage of DBMS_ROLLING?
The trailing group contains the original primary database and standby databases that will protect the original primary during the rolling release upgrade process. This means that the trailing group plays a crucial role in maintaining continuity and protection during the upgrade. While the databases in the leading group are being upgraded, user applications can continue to connect to the original primary database, which remains part of the trailing group. Therefore, the correct answers are that the trailing group contains the original primary database and the trailing group can contain standby databases that protect the original primary during the rolling release upgrade process.
Answer: B and E The trailing group contains the original primary database and standby databases that protect the original primary during the rolling upgrade process. While the databases in the leading group are going through the upgrade process, user applications can still be connected to the original primary and making changes https://docs.oracle.com/database/121/SBYDB/dbms_rolling_upgrades.htm#SBYDB5431
"The trailing group contains the original primary database and standby databases that protect the original primary during the rolling upgrade process" https://docs.oracle.com/en/database/oracle/oracle-database/19/sbydb/using-DBMS_ROLLING-to-perform-rolling-upgrade.html#GUID-647FF758-5B53-44AE-BB80-B6FA506F09C7
Answer: D and E