Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Teradata Cookbook
  • Table Of Contents Toc
Teradata Cookbook

Teradata Cookbook

By : Abhinav Khandelwal, Rajsekhar Bhamidipati
3.8 (4)
close
close
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)
close
close

Using MultiLoad to delete


MultiLoad, unlike FastLoad, has the capability to not only insert, but can also be used for update, delete, and upserts. MultiLoad can be executed on channels and network connected systems. You can insert up to five non-empty tables using MultiLoad. 

Traditional MLOAD is not capable of loading data into tables that have USI-unique secondary indexes, RI-referential integrity, JI-join indexes, NoPI, or tables with triggers. But MLOADX overcomes this limitation and loads data into any table with the earlier restrictions.

In this recipe, we will use MLOAD to delete the rows, based on the equality conditions mentioned. 

MLOAD delete should be chosen over SQL delete when a large number of rows need to be deleted and the table size is big. 

Getting ready

A user requires the following privileges/rights in order to execute the MultiLoad:

  • SELECT and INSERT (CREATE and DROP or DELETE) access to the target or loading table
  • SELECT, INSERT, UPDATE, and DELETE are required privileges...
CONTINUE READING
83
Tech Concepts
36
Programming languages
73
Tech Tools
Icon Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.
Icon Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.
Icon 50+ new titles added per month and exclusive early access to books as they are being written.
Teradata Cookbook
notes
bookmark Notes and Bookmarks search Search in title playlist Add to playlist download Download options font-size Font size

Change the font size

margin-width Margin width

Change margin width

day-mode Day/Sepia/Night Modes

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY

Submit Your Feedback

Modal Close icon
Modal Close icon
Modal Close icon