Typically, query tuning involves altering the composition of various objects. An alternative method for achieving quicker results, in cases where ...

Layer and Preparatory Table Strategies

Here is an illustration depicting the design of real-world map-reduce implementations, such as Hadoop: The input files reside in a ...

Real-World Map-Reduce Implementations: Design and Fault Tolerance

Isolation Levels and their Impact on Performance & Concurrency Isolation is a crucial factor in determining the visibility of transaction ...

Understanding Teradata Load Isolation

This post aims to compile all crucial aspects to be considered while constructing a Teradata Data Warehouse, including the ETL ...

Building a Teradata Data Warehouse: Considerations for ETL Process, SQL Queries, and Physical Data Model

What is the Waterfall Model? The waterfall model facilitates the sequential progression of a data warehouse project. Each phase must ...

Understanding the Waterfall Model: Phases, Problems, and Solutions for Data Warehouse Projects

Introduction to Teradata Referential Integrity What is Teradata Referential Integrity? Referential integrity ensures that a value created in a foreign ...

Teradata Referential Integrity: What it is and Why You Need it for Data Consistency and Performance

To exemplify the impact of mistakes in Teradata Data Warehouse projects, consider the analogy of a medical team. Imagine yourself ...

7 Deadly Sins That Destroy A Teradata Data Warehouse

What are Teradata Surrogate Keys? A Teradata Surrogate Key is an artificial key that maps to a natural key. It ...

The Importance of Teradata Surrogate Keys

When do you need a fire brigade most? When your house is on fire! When is the best time to ...

Why You Need a Performance Specialist for Your Data Warehouse Project

Welcome to the second part of the Teradata performance optimization series. In this session, we will examine a primary culprit ...

The Importance of a Good Data Model for Teradata Performance Optimization