Rolling Database Upgrade from 19.3.0.0 to 19.11.0.0 Using Transient Logical Standby

Rolling upgrade with Transient Logical Standby is known as a MAA (Maximum Availability Architecture) technique, to minimize downtime during upgrade of Oracle database.  Approaches: There are several methods which can be used: Manually from command line Manually using phsyru.sh script which is available since 11g (Doc ID 949322.1) Use DBMS_ROLLING package which is available since 12.1.0.1 (Doc ID 2086512.1) Note: for both manual…