Video Tutorial: XPLAN_ASH Active Session History – Part 3

The next part of the video tutorial explaining the XPLAN_ASH Active Session History functionality continuing the actual walk-through of the script output.

More parts to follow.

Parallel Execution 12c New Features Overview

Parallel Execution 12c New Features Overview

Oracle 12c is the first release since a couple of years that adds significant new functionality in the area of Parallel Execution operators, plan shapes and runtime features. Although 11gR2 added the new Auto DOP feature along with In-Memory Parallel Execution and Statement Queueing, the 12c features are more significant because they introduce new operators that can change both execution plan shape and runtime behaviour.

Here is (more...)

Webinar Followup

Thanks everyone who attended my recent webinar at AllThingsOracle.com.

The link to the webinar recording can be found here.

The presentation PDF can be downloaded here. Note that this site uses a non-default HTTP port, so if you're behind a firewall this might be blocked.

Thanks again to AllThingsOracle.com and Amy Burrows for hosting the event.

Video Tutorial: XPLAN_ASH Active Session History – Part 2

The next part of the video tutorial explaining the XPLAN_ASH Active Session History functionality has been published. In this part I begin the actual walk-through of the script output.

More parts to follow.


New Version Of XPLAN_ASH Utility – In-Memory Support

A new version 4.21 of the XPLAN_ASH utility is available for download. I publish this version because it will be used in the recent video tutorials explaining the Active Session History functionality of the script.

As usual the latest version can be downloaded here.

This is mainly a maintenance release that fixes some incompatibilities of the 4.2 version with less recent versions (10.2 and 11.2.0.1).

As an extra however, (more...)