Tag:19c

SQLs slow in 19c

Issue We patched our Oracle databases to 19.9 and this issue started. Some of our SQLs were slow and...

DBCA fails with ORA-27125 on 19c

Issue I recently encountered an issue where DBCA failed with ORA-27125 when creating a 19c database on Oracle Linux...

How to rename a PDB in 19c

Let's look at how to rename a PDB in 19c. The steps are the same as 12c. Per Oracle note referenced below,...

Fixed – EXPDP – OS/ Wallet Authentication does not work, prompts for password

I recently encountered a strange issue on a newly created multitenant database on 19.6 version. Our EXPDP job uses wallet to authenticate...

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Removing Oracle Application Express (APEX) on 19c database fails

Oracle APEX Release 21.1.0 was released on May 12, 2021. My 19c Oracle Database came with Oracle...
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SQLs slow in 19c

Issue We patched our Oracle databases to 19.9 and this issue started. Some of...

Steps to remove OEM Agent

Recently I migrated all targets (Cluster, Databases, Instances, ASM, etc) and their jobs to a 13c OEM...

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