March 2018
Beginner to intermediate
514 pages
13h 11m
English
You might have heard about the ETL technique as it is widely used in most current Business Intelligence projects. Having said that, I am usually surprised how often experienced consultants avoid approaching projects in a systematic way and instead use one application to do absolutely everything, from extracting data from a database to data cleansing to creating visualizations.
An ETL approach helps you have an understandable and easy-to-manage project. Think of it as a chest of drawers. You put your T-shirts in one drawer, your underwear in another drawer, and your accessories in a different one. It will be a lot easier for you to know if something is missing by splitting your clothes into compartments and ...
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