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Teradata Cookbook

Teradata Cookbook

By : Abhinav Khandelwal, Rajsekhar Bhamidipati
3.8 (4)
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Teradata Cookbook

Teradata Cookbook

3.8 (4)
By: Abhinav Khandelwal, 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 (14 chapters)
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Resolving MLOAD error 2571


MLOAD works in five phases, unlike FastLoad, which only works in two phases. MLOAD can fail in either phase three or four. Figure shows 5 stages of MLOAD.

  1. Preliminary: Basic setup. Syntax checking, establishing session with the Teradata Database, creation of error tables (two error tables per target table), and the creation of work tables and log tables are done in this phase.

  2. DML Transaction phase: Request is parse through PE and a step plan is generated. Steps and DML are then sent to AMP and stored in appropriate work tables for each target table. Input data sent will be stored in these work tables, which will be applied to the target table later on.
  3. Acquisition phase: Unsorted data is sent to AMP in blocks of 64K. Rows are hashed by PI and sent to appropriate AMPs. Utility places locks on target tables in preparation for the application phase to apply rows in target tables.
  4. Application phase: Changes are applied to target tables and NUSI subtables. Lock on table...
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Teradata Cookbook
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