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

Resolving FastLoad error 2652


When data is being loaded via FastLoad, a table lock is placed on the target table. This means that the table is unavailable for any other operations. A lock on a table is only released when FastLoad encounters the END LOADING command, which terminates phase 2, the so-called application phase. FastLoad may get terminated in phase 1 due to any of the following reasons:

  • Load script results in failure (error code 8 or 12)
  • Load script is aborted by admin or some other session
  • FastLoad fails due to bad record or file
  • Forgetting to add end loading statement in script

If so, it keeps a lock on the table, which needs to be released manually. In this recipe, we will see the steps to release FastLoad locks.

Getting ready

Identify the table on which FastLoad is been ended pre-maturely and tables are in locked state. You need to have valid credentials for the Teradata Database.

Execute the dummy FastLoad script from the same user or the user which has write access to the lock table...