Before the release of v2.1 Enterprise Manager, the DBA Management Pack tools such as Instance Manager, Schema Manager, Security Manager etc. had to be launched as an individual application. Of course, they can be launched from the Console as well if a repository had been configured.

The concept of DBA Studio was introduced from Enterprise Manager v2.1. DBA Studio is a tool that provides a centralized location from which the other applications such as Instance Manager, Schema Manager, Storage Manager etc were launched. This provided ease of using the various applications from a single launch pad. The DBA Studio also provided a Master-Detail view of various tasks. This means if you select a task on the Navigator tree, it is displayed on the right-side of the DBA Studio. The Console before Release9.x had no Master-Detail functionality. Console

Console Background

A brief background on the Console functionality will be of help. Prior to Enterprise Manager Release 9.x, the Console can be launched only through the Oracle Management Server (OMS). This means a repository must have been configured and the OMS setup. There was no method of logging on to the Console without the OMS. The pre 9.x Console had no Master-Detail functionality as was found in the DBA Studio.

However, from Oracle Enterprise Manager Release9.x, the Console has undergone significant improvements. One of which is the ability to log on to the Console in standalone mode. The Console in standalone mode does not use the OMS. This is suitable for a single administrator performing operations locally. Moreover, the Console was enhanced to provide a Master-Detail view. All the functionality found in the DBA Studio was integrated into the Console 9.x. This led to redundancy of the DBA Studio and hence this functionality is no longer available from Release 9.x

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