4.25 out of 5
1078 reviews on Udemy

Data Warehouse ETL Testing & Data Quality Management A-Z

ETL Testing and Data Quality Management for beginners with practical exercises and certificate of completion.
Lorenz DS
5,082 students enrolled
English [Auto]
Understand the basics of ETL/ELT testing
The importance of Data Quality within the Data Lifecycle
Learn the different types of ETL/ELT testing and Data Quality dimensions
Design a set of frequently used ETL/ELT and Data Quality regression tests
A comparison of Data Quality tools (Informatica, Talend, Oracle, SAS)
Perform database tests using queries and build database views to automate ETL/ELT testing and Data Quality monitoring
Data Quality Management and monitoring
Setting up a database connection to your visualization tool
Build Data Quality dashboards and reports

Learn the essentials of ETL Data Warehouse Testing and Data Quality Management through this step-by-step tutorial. This course takes you through the basics of ETL testing, frequently used Data Quality queries, reporting and monitoring. In this tutorial we will learn how to build database views for Data Quality monitoring and build Data Quality visualizations and reports!

..Learn to build data quality dashboards from scratch!

..Learn some of the most common mistakes made when performing ETL/ELT tests..

..Forget about manual ad-hoc ETL testing, learn more about automated ETL and data quality reports

The course contains training materials, where you can practice, apply your knowledge and build an app from scratch. The training materials are provided in an Excel file that you can download to your computer. Each module also ends with a short quiz and there is a final quiz at the end of the course.

After completion of this course, you will receive a certificate of completion.

Good luck and hope you enjoy the course.


  • Basic knowledge of SQL

  • Some experience with Visualization tools would be helpful, but not required

  • Basic setup of database (PostgreSQL, Oracle) and visualization tool (Qliksense) is recommended

Course content:

The course consists of the following modules:

  • Introduction

  • What is ETL/ELT Testing and Data Quality Management?

  • Build database views for Data Quality Monitoring

  • Build dashboards for Reporting

  • Exercises

  • Final Quiz

Who should follow this course?

  • Students that want to learn the basics of ETL/ELT testing and Data Quality Management

  • Business Analysts and Data Analysts that would like to learn more about ETL/ELT testing, frequently used queries and practical examples

  • Software Engineers that would like to build an automated solution for ETL/ELT testing using database views/dashboards

  • Data Stewards and Managers considering to apply data quality standards within their organization

You can view and review the lecture materials indefinitely, like an on-demand channel.
Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
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2 hours on-demand video
1 article
Full lifetime access
Access on mobile and TV
Certificate of Completion


Working hours

Monday 9:30 am - 6.00 pm
Tuesday 9:30 am - 6.00 pm
Wednesday 9:30 am - 6.00 pm
Thursday 9:30 am - 6.00 pm
Friday 9:30 am - 5.00 pm
Saturday Closed
Sunday Closed