Writing automated tests is an essential part of the development process, but it's not unusual to find codebases with little or no test coverage. Compared to unit tests, integration tests bring even more challenges since they get the same results running in different OSs (different developer...

Today, we'll discuss the ways in which ETL tools can connect, consolidate, and sync data between OLTP and OLAP systems. We'll begin by defining the uses of OLTP and OLAP systems and then explore how ETL tools can connect them.

In my last post, I gave a brief introduction on Blockchains, and how it's all the hype because of its ability to completely eliminate the middle man during transactions - all you need are the two interested parties and a few lines of code to help validate the trade. These seemingly simple lines of...

Microservices is all the hype these days, so in this post, I'll try to highlight its most important aspects. I've split these aspects into four groups based on the different benefits they provide. 

File-sharing is one of the most elementary ways to perform system integration. In the context of Web applications, we refer to the process where a user sends data/files from a local computer to a remote computer as upload.

The main goal of choosing an Authentication Protocol is to avoid the heavy lifting on development side and to make it easy on the API users with regards to consuming APIs. With OAuth2, the user authenticates as a virtual user with the same credentials they normally use to access the web app. Many...

Software systems have definitely changed throughout the years. Initially, large mainframes were used to process batches of jobs overnight for long hours to get the results that banks and big companies needed. Eventually, big systems were used to process different online jobs, which required large...