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


This chapter will cover two broad areas of Teradata: one will be advanced SQL and the other will be backup and recovery.

Structured query language (SQL) is the relational database language used to store, retrieve, and manipulate data in databases. Teradata also uses SQL to work with datasets stored in the database.

Teradata SQL is basically divided into three parts:

  • Data definition language (DDL): These likeCREATE and DROP
  • Data manipulation language (DML): These are like SELECT, INSERT, and DELETE
  • Data control language (DCL): These are like GRANT and REVOKE

Other than these basic SQL functions, Teradata Database has advanced SQL at its disposal. Advanced SQL helps users to execute complex cases and run more advanced data analytic functions.

Some of the advanced Teradata SQL features are:

  • Windows aggregate function
  • Ordered analytic function
  • Extended time and date function
  • Advanced ranking function
  • Advanced sampling and random function
  • Extended grouping function
  • Merge into function
  • Large binary...