AristaDBA's Oracle Blog....

As we have been discussing Flashback technology, in this post, we shall see how it helps in getting a table recovered after being dropped. A very...

I just finished teaching a DBA class and surprisingly, few of the participants , despite having experience in the database administration, hadn’t really touched Flashback technology...

In this post, we shall see how we can set up automatic backup for our database created in the Exadata Cloud Service environment. Creating a database...

I have been using aliases in Linux from a long time. But I was teaching a class today and some students asked me to explain it(it...

This is for my own reference later on. I totally forgot about the PMAN(Process Manager) background process. It’s a background OS process and manages several background...

In this post, we shall set up the EM Express for the database, that we had created in our Exadata cloud service environment in the previous...

Today morning, one of my VM’s didn’t start. I did wait for some time. When the system didn’t start again, I pressed Escape key to see...

So I am now trying to set up few of test machines in OCI environment. A lot can be done using the Putty but for some...

In this post, we shall see how to create a new database in Exadata Cloud Service. As we mentioned before, you must have a successfully provisioned...

Continuing our series of Exadata Cloud Service with the new resource model, in this post, we shall create a database home that is going to host...