Book Image

Oracle SQL Developer

By : Susan Harper
Book Image

Oracle SQL Developer

By: Susan Harper

Overview of this book

At times, DBAs support 100s of databases at work. In such scenarios, using a command-line tool like putty adds to the difficulty, while SQL Developer makes the life of a developer, DBA, or DB architect easier by providing a graphical user interface equipped with features that can bolster and enhance the user experience and boost efficiency. Features such as DBA panel, Reports, Data Modeler, and Data Miner are just a few examples of its rich features, and its support for APEX, REST Services, timesten, and third-party database drivers demonstrate its extensibility. You may be a newbie to databases or a seasoned database expert, either way this book will help you understand the database structure and the different types of objects that organize enterprise data in an efficient manner. This book introduces the features of the SQL Developer 4.1 tool in an incremental fashion, starting with installing them, making the database connections, and using the different panels. By sequentially walking through the steps in each chapter, you will quickly master SQL Developer 4.1.
Table of Contents (21 chapters)
Oracle SQL Developer
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
11
Working with Application Express
Index

Database instance viewer


The database instance viewer window is a very useful feature for DBAs who can look at the target database with a 360 degree view. To open the instance viewer, we can use the navigation View | DBA.

We should add the DBA connection (preferably the system connection that we have already defined in the connections navigation pane).

Once the DBA connection is made, open the database status node, click on the database status needed, as shown in the following screenshot:

The information shown in the instance status window might take a while to come up, as shown in the below screenshot. This window is otherwise called as Instance Viewer and we have detailed information about all our database sessions, processes, wait events, CPU, memory, and storage details.

A double-click on each of these graphs will take us to more detailed information. For example, a double-click on the sessions graph will take us to more drill-down information on the database sessions.

Instance viewer is...