A data warehouse is constructed by integrating data from multiple heterogeneous sources. It supports analytical reporting, structured and/or ad hoc queries and decision making. This tutorial adopts a step-by-step approach to explain all the necessary concepts of data warehousing.
This tutorial will help computer science graduates to understand the basic-to-advanced concepts related to data warehousing.
Before proceeding with this tutorial, you should have an understanding of basic database concepts such as schema, ER model, structured query language, etc.
What is ETL and importance of ETL testing,. How DWH ETL Testing is different from the Application Testing SDLC/STLC in the ETL Projects (ex: V Model, Water fall model) Challenges in DWH ETL Testing compare to other testing
Real- time Case Studies