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

Introduction


There are many ways to monitor the performance of your work. Teradata has tools like viewpoint, where individual users can log on and check how their queries are executing on the system and how it is affecting the other workloads on the system. It empowers individual users to track their work, based on which they can take informed decisions about their queries. Inefficient requests can be killed or performance can be improve.

There are some terms that a user must understand when monitoring queries and workloads.

A query should be the perfect mix of CPU, I/O, and runtime. Finding that perfect mix is a critical task and takes a lot of effort sometimes. With today's growing query complexity and various different analysis needs, optimizing SQLs can be a daunting task. 

Monitoring not only involves optimization techniques on the query level, but also on the system level. Like queries, there are some other system parameters that we need to keep track of:

  • Nodes utilization
  • AMP utilization...