Explore Instance of PDB

In a previous post, we have seen the creation of Container database and pluggable database Manually Create and configure CDB database and PDB database In this post, we will explore data dictionary views of CDB and PDB. We all are aware of DBA_, ALL_, and USER_ views.   USER_ views show information about user-specific metadata. […]

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How To Convert A Non ASM Instance To ASM Instance

Let’s have fun with instance today. Being an Oracle DBA we are well known for Instance. DBA’s life starts from Instance. In early days of DBA training, we introduced with Instance. When we enter to the new part of Oracle. we notice new teams. Now I am going to focus on ASM instance. Some starting lines remind the […]

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ORA-15073: Diskgroup Mounted By Another Instance

We know that in the database each and every  “Error “has its own reasons. Let’s have look on Error ORA-15073: Diskgroup Mounted By Another Instance. This article explains the cause and action for this error. Cause: An attempt was made to drop a diskgroup that is still mounted somewhere in the cluster by another instance. Action: dismount the […]

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