In multi-tenant Active Data Guard database configuration, setting PDB parameters for standby PDB is not trivial. I discover this when we opened the Standby database
In this post, I am sharing my notes on upgrading Oracle Standby database. Following are the steps I preformed on standby database while upgrading from
At work I had to install (but not fully) Oracle Software (GI and DB) for AMI (Amazon Machine Image). Downloading and unzipping software is easy
Sometimes a SQL performs better when given an Optimizer hint. However in some scenarios it is not possible to modify the SQL (maybe it is
In this blog post I am sharing my notes about Unified Auditing. It shows how to enable and purge Unified Audit data. From Oracle Documents:
Make sure to checkout following Oracle Document before upgrading Grid Infrastructure / ASM and/or databases to 19c. It will save you a lot of headache
Just a quick blog about creating Gold Agent Image in OEM 13.3. I was getting error when creating Gold Agent Image and cause wasn’t obvious.
Apply Execution Plan From Graveyard
….yes, that is correct. 🙂 You can apply an execution plan even if it has been aged out from your local Automatic Workload Repository (AWR).
Recently I was testing AWR Warehouse functionality at work and had to re-configure the AWR Repository database due to a firewall issue which caused me
At work I came across a query that was using correlated sub select and I thought it is worth sharing. I have seen many queries