Database

Writing a good ETL flow with NodeJs

Last story was about if it’s better to write your own ETL flow instead of using any of the tools…

Different kind of data you can analyse with BI or machine learning

I’ve worked with many kinds of data, from clinical data to logistic and supply chain data passing through pharmaceutical data.
Each of them is different and should be treated in different manners.
Let’s what we can…

Are OLAP cubes dead?

Hi everyone,
it’s been a while since my last post, many things have changed since then see it as an another life.
Well today i was thinking: “Is there any chance that OLAP cubes are dead?”
You’re certainly are saying: “What’s wrong with you? I’m using them obviously are not!” and i’m not…

[Basics] How to create a good ETL flow for you data warehouse

As a BI analyst i need to ensure that everyone (also me) are writing a good ETL flow with standard name convention and SQL operations.
Let’s begin this tutorial with a brief explanation of what is an ETL flow.

Developing and implementing a data warehouse to support genomic analyses