Teradata Fundamentals
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Teradata Fundamentals

About the Book

The book consists of a series of lecture notes on the corporate training the author has delivered across the world. It is meant to be as concise as possible for people working with Teradata that need practical answers now, instead of reading the whole documentation.

Since the audience is working professionals, a bit of experience working with other databases or with Teradata itself is recommended.

You can check a preview of the book as well as the code samples in www.learndataskills.eu

About the Author

Pablo Maldonado
Pablo Maldonado

Hi, I’m Pablo! I teach data science at companies and universities around the world.

After a few years in consulting (pricing, financial crime analytics, IoT, ecommerce), I decided to focus on teaching others.

Most of my time is devoted to teaching and individual mentoring, but I still do consulting to keep my skills fresh.

Table of Contents

  • Introduction
    • Relational Database Architecture
    • Teradata Architecture
    • Storage Architecture
    • Primary Indexes
  • Indexes
    • Partitioned primary index
    • Secondary Index
    • Join Indexes
    • Exercise
  • Tables
    • Views
    • Useful system tables
    • Measuring skew factors
    • Exercise
  • Macros
  • Joins - Types and strategies
    • Processing joins
    • Improvement tricks
  • Analysis of query plans
    • Collecting Statistics
    • Explaining EXPLAIN
  • Subqueries and Correlated subqueries
    • Recursive Queries
    • Exercise
    • Solution
  • OLAP functions
  • Stored Procedures
    • IF inside a Stored Procedure
    • Loops
    • Multiple BEGIN/END statements
    • Triggers
  • Performance Monitoring
    • 1. Bad Query
    • 2. Delay Time
    • 3. Blocking
    • 4. Server State
    • 5. Skewness
    • Some tips for improving your query
    • Identify suspect queries
    • Monitoring
    • Prevention
  • Compression
    • MVC
    • ALC
    • BLC
    • Compression and Query Performance

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