To get the most out of this book

1. Readers of this book should have working knowledge of the Teradata database and SQL writing.
2. In order to install and connect to Teradata, readers have to download the software mentioned by creating a free account on the Teradata developer website.

Download the example code files

You can download the example code files for this book from your account at www.packtpub.com. If you purchased this book elsewhere, you can visit www.packtpub.com/support and register to have the files emailed directly to you.

You can download the code files by following these steps:

1. Log in or register at www.packtpub.com.
2. Select the SUPPORT tab.
3. Click on Code Downloads & Errata.
4. Enter the name of the book in the Search box and follow the onscreen instructions.

Once the file is downloaded, please make sure that you unzip or extract the folder using the latest version of:

• WinRAR/7-Zip for Windows
• Zipeg/iZip/UnRarX for Mac
• 7-Zip/PeaZip for Linux

The code bundle for the book is also hosted on GitHub at https://github.com/PacktPublishing/Teradata-Cookbook. We also have other code bundles from our rich catalog of books and videos available at https://github.com/PacktPublishing/. Check them out!

Download the color images

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. You can download it here: http://www.packtpub.com/sites/default/files/downloads/TeradataCookbook_ColorImages.pdf.

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "It went to the default CASE statement."

A block of code is set as follows:

/*Correlated query*/
SELECT Column1, Column2
FROM Table1 Tb1
WHERE Column1 IN 
(

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

/*Aggregate CASE*/
SELECT SUM(
 CASE WHEN department='IT' THEN) AS SAL_IT
SUM (

Any command-line input or output is written as follows:

tpareset -f testing the restart command

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "JavaScript Object Notation (JSON) is a lightweight programming independent data interchange format."

Warnings or important notes appear like this.

Tips and tricks appear like this.