Manual Failover in Data Guard

We understood roles of the database in the previous article and explored SwitchOver of database roles. Manual SwitchOver in Oracle   In this article, we will see FailOver of the Database role. When we have planned maintenance activity we can simply switch roles of Primary and Standby database. But what if Primary Database crashes and […]

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Manual upgrading Oracle database 11gR2 to 18c

Manual upgrading Oracle database 11gR2 to 18c If you want to know how we upgrade an 11.2.0.4 database to 18.0.0.0.0 using DBUA, click here. This article explains how to upgrade 11.2.0.3 and above, and 12.1.0.1, 12.2.0.1 to 18.0.0.0.0 manually. Manually upgrading to 18c There are many DBAs who don’t want to follow the recommended way of an upgrade […]

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