Using Coverage to Improve Your Unit Tests

Measuring the coverage of your tests is easier than ever. In a modern IDE the button to run your tests with coverage is right next to the ones to run or debug them. The coverage results are presented class by class with little chart graphics, as well as…

Focus on Maintainability and Break Those ETL Tasks Up

When writing ETLs, we should ensure others are able to support and extend our work by breaking complex tasks into a chain of simple ones.

Automate Your Pipeline Tests

According to Kent Beck and Eric Gamma, Programmers Love Writing Tests. Now, whether or not they actually love writing tests, it’s…

What is “Big Data”?

You’ve heard the term numerous times. Articles and books have been written about it. You might be using a product that claims to be such. Perhaps you even have it in your resume. Have you ever stopped to think what it really means?

Cultivate good working relationships with data consumers

The relationship between Data Engineering and the data consumers is always complex, be they data scientists, BI or one of a multitude of…