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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 common mistake that happens in the database environments is that someone would drop a table. Now that table drop is not a wrong command. Thus, if the user has […]

Flashback, DBA’s Best Friend….

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 a great detail. Though it’s not a new topic but I thought, let me write about it to make sure that more DBA’s are aware of this. Biggest […]

Exadata Cloud Service- Creating Database Backups….

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 backup can be done in two ways in Exadata Cloud Service environment. You can either create a backup on on-demand basis or you can configure automatic backup for your […]

DBA’s Be Quicker, Use Aliases….

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 was a basic database administration class for newbies). So it’s more a reference about the aliases. Aliases are short forms of the long commands that one may use in […]

PMAN Background Process….

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 processes including shared servers, pooled servers, and job queue processes. It’s available in database instances, ASM instances and in ASM Proxy instances. PMAN monitors, spawns, and stops the following […]