As with any DBA my days are filled with what seem to be unrelated tasks to the profession - writing reports, attending meetings, installing releases, planning capacity, answering alerts, patching binaries and  running upgrades.  It is easy to forget three things I should be focusing on as a remote DBA:

Security
Availability
Performance

Some aspects of these core [...]

Introduction

I have mentioned before that the best way to insure Oracle RDBMS uptime, is to create and maintain a physical standby database. There simply is no more reliable way to insure uptime for the Oracle RDBMS.
Creating a standby database involves these steps:

Creating a standby controlfile from the primary database & transferring it to [...]

In the Oracle RDBMS, one of the most frequently misunderstood concepts I see in doing remote database administration, is the role and importance of redo.

Over the years of experience with Oracle databases, there is one feature, far more than any others, that has proved itself again and again in the real world; I speak of course, of the Oracle Physical Standby feature.

As a database administer, it’s very important not to forget one of our main responsibilities; that being insuring that the database(s) we’re responsible for, can be recovered in the case of an emergency.  Read my short presentation here, for thoughts on this important topic.
The Importance of Testing Database Recovery, by Jay Stanley