Book Image

Teradata Cookbook

By : Abhinav Khandelwal, Viswanath Kasi, Rajsekhar Bhamidipati
Book Image

Teradata Cookbook

By: Abhinav Khandelwal, Viswanath Kasi, Rajsekhar Bhamidipati

Overview of this book

Teradata is an enterprise software company that develops and sells its eponymous relational database management system (RDBMS), which is considered to be a leading data warehousing solutions and provides data management solutions for analytics. This book will help you get all the practical information you need for the creation and implementation of your data warehousing solution using Teradata. The book begins with recipes on quickly setting up a development environment so you can work with different types of data structuring and manipulation function. You will tackle all problems related to efficient querying, stored procedure searching, and navigation techniques. Additionally, you’ll master various administrative tasks such as user and security management, workload management, high availability, performance tuning, and monitoring. This book is designed to take you through the best practices of performing the real daily tasks of a Teradata DBA, and will help you tackle any problem you might encounter in the process.
Table of Contents (19 chapters)
Title Page
Dedication
Packt Upsell
Contributors
Preface
Index

Monitoring slow queries


It sometimes becomes necessary to abort running jobs on the system. Before aborting any job, it should be identified and problematic steps (on which it is currently executing) need to be captured and analyzed so that this can be corrected before the next run.

Teradata provides many methods/tools to identify these problematic jobs, but sometimes when a system is unresponsive or has high usage it is difficult to identify the exact query or job that is causing the issue. In these cases we need to check the system with multiple tools so that a confirmed result is drawn.

We can monitor system resources from:

  • Viewpoint
  • SQL queries
  • PCMC queries
  • Various tools running from the supervisor window/remote console

Getting ready

To execute the next recipe you need to connect to the Teradata database via SQL/Studio. Log on to the viewpoint and remote console.

How to do it...

  1. Connect to the Teradata database and log on to viewpoint.
  2. On viewpoint, check the high resource consumption query/session...