Build your Team
Enhancing your data team with ours
Our consultants come armed with both technical and soft skills to support you to make the most of your data.
The Data School has been paramount to our success at JLL. It has allowed us to bring in highly skilled Tableau and Alteryx consultants. It saves considerable time trying to recruit contractors as I know their skills and training are to the highest standard. Over the past 5 years my team has developed analytical insights which have generated multi million dollar savings of which a considerable amount can be attributed to the Data School consultants we have had working on projects.
Paul Chapman, Global Director of Performance Management, BI and Innovation at JLL
Alteryx
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EMEA
Tableau
Community Impact 2024
EMEA ESMB
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Data for Good Champion
Finalist
DataIQ
Best Data Academy or Skills Development
Finalist
Alteryx
Partner of the Year
Europe
DataIQ
Data for Good Champion
Champion
Tableau
Data for Good 2021
EMEA
What our consultants are working on
We believe that sharing knowledge and expertise is key to driving innovation and growth in the data community. That's why we're excited to share our latest insights, tutorials, and industry trends with you through this blog.
Written by our team of experienced data consultants, these posts aim to solidify their own learning while giving back to the community.
Wed 20 Aug 2025 | Claudina Mukangabo
Intro to Tableau Next
What is Tableau Next?
Tableau Next is a new way of building dashboards using semantic models. Instead of jumping straight into chart building, you first create a workspace and define your data structure
Wed 20 Aug 2025 | Zainul Abedin Natha
SQL for Beginners: Learning the Basics with Simple Commands
Structured Query Language (SQL) is one of the most important tools for working with data. If you’re just starting out, don’t worry — SQL is much easier than it looks. By learning a few core commands, you can already ask powerful questions from your data
Wed 20 Aug 2025 | Zainul Abedin Natha
SQL for Beginners: How to Do Joins
When you work with databases, data is often split across multiple tables. For example:
* One table (Orders) stores order details like product IDs and sales.
* Another table (Products) stores product names and descriptions.
If you want to combine them, you use a JOIN
Wed 20 Aug 2025 | Jaden Matthias
Date KPIs in Tableau
It's pretty common to see KPIs in a business dashboard showing a current year measure vs the same measure from the previous year. These KPIs can come in lots of different forms and in this blog, I thought it would be great to walk through a few
Wed 20 Aug 2025 | David Gandary
Understanding Date Functions in Tableau Through KPI Examples
When you build dashboards, stakeholders often ask questions like “How are we doing this year compared to last year?”
The calculation is important, but what’s even more valuable is understanding the date functions that make it possible
Thu 14 Aug 2025 | Maysa Falchero
What are the most common types of file in Tableau?
Back when I was applying to The Data School and using Tableau Desktop for the first time, I remember not really knowing which type of file to use when saving my dashboard
Tue 19 Aug 2025 | Andrew Buchanan
#WOW2023 week 16: Can you build insightful advanced tables?
Today we were tasked with recreating a new style of dashboard, and this one really caught my interest. Instead of combining multiple worksheets, every single visualization was built within a single worksheet
Tue 19 Aug 2025 | Younes Ghouini
Mastering the Core of SQL
Learn how to master the core SQL clauses
Tue 19 Aug 2025 | Freya Marijatta
Filling Down in Alteryx
A lot of the time, data will have hierarchical fields, e.g. category and sub-category
Tue 19 Aug 2025 | Kieran Joymungul
How to create an Iterative Macro in Alteryx
What is an Iterative Macro?
An iterative macro is a process (or in the case of Alteryx, a list of tools and actions) that is repeated until a condition is met
Thu 14 Aug 2025 | Anh Vu
Meine erste Woche
Echt kaum zu glauben, dass die erste Woche schon vorbei ist. Es fühlt sich immer noch so an, als wäre gestern mein erster Tag gewesen.
Ich kann mich immer noch ganz klar daran erinnern, wie aufgeregt ich war, als ich an meinem ersten Tag in der Data School ankam
Thu 14 Aug 2025 | Anh Vu
Nice to Meet You!
Hello, my name is Anh!
I recently became a Data School Consultant, and I want to use this post to share a bit about myself.
It's been a few months since I got my Bachelor's of Science degree
Want to know more?
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