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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
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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.
Tue 12 May 2026 | Vivek Patel
The Data Modelling Series - Part 2: Primary Keys, Foreign Keys & Relationships
In Part 1, we looked at why a large flat file like the Superstore dataset is not ideal for analysis. We explored what the data contained and started thinking about it as several different entities: orders, customers, products, and geography, all collapsed into a single row
Tue 12 May 2026 | Tomo Mensendiek
Running Queries on a Schedule in Snowflake
In my last blog about Connecting Tableau Pulse with Continuously Updating Snowflake Data, I simulated a live database by running a query in Snowflake that generated new rows on a schedule. In this post, I’ll go into more detail on how you can run queries on a schedule using Snowflake Tasks
Wed 06 May 2026 | Amelia Young
A Complete Guide to Your First Week at The Data School
After searching for some inspiration on what to write my first blog post about, I decided to create a guide on how to get through your first week at The Data School in hopes of bringing some comfort to those who feel overwhelmed and to simplify some of the new lingo you might hear
Fri 08 May 2026 | Tomo Mensendiek
Connecting Tableau Pulse with Continuously Updating Snowflake Data
This blog walks through the project that implements a “live” connection between Tableau Pulse and the database where the data is stored
Mon 11 May 2026 | Bethany Haysom
Dashboard Rework Part 5: Final Steps
I have been reworking a dashboard that I first created before I started at The Data School. It was my first ever use of Tableau and looked at house building in the UK between 1949 and 2025.
Having prepared the data I needed, I was able to start building in Tableau
Thu 30 Apr 2026 | Oliver Furtak
Tableau Parameter: Dashboards dynamisch steuern
In den vergangenen Wochen in der Data School haben wir uns intensiv mit der Frage beschäftigt, wie wir Dashboards so gestalten, dass sie nicht nur Daten zeigen, sondern echte Interaktion ermöglichen. Ein zentrales Werkzeug, um diese Flexibilität zu erreichen, sind Parameter
Sun 10 May 2026 | Lorraine Ferrusi
Anthropic Academy: Artificial Intelligence Assistant
The next course on my Anthropic Academy learning list covered Artificial Intelligence assistance and how to integrate it into a coding workflow
Sun 10 May 2026 | Harvey Lloyd-Smith
A guide to teaching a successful training day
Every couple of months The Information Lab (TIL) runs a training day (also known as Learn What The Data School Learns) where current Data School cohorts have to deliver a training session to members of the public and clients
Wed 29 Apr 2026 | Rosh Khan
A Guide For When You're Lost in Git
You've done the Git tutorials. You still get lost. Here's the diagram that fixes that.
Fri 08 May 2026 | Fotiana Yan
If I Had to Relearn SQL from Scratch, This is How I’d Do It
What is SQL?
SQL, or Structured Query Language, is the standard language used to communicate with relational databases.
Most modern applications use Relational Database Management Systems (like PostgreSQL, MySQL, SQL Server)
Thu 07 May 2026 | Ben Hayward
How Tableau Prep Bridges the SQL Visual Gap
Before joining The Data School, I worked in a role that threw me straight into the deep end learning SQL and Python for handling data. I had to teach myself from scratch and often found the gap between writing a query and the actual execution to be a massive obstacle
Mon 06 Apr 2026 | Fotiana Yan
Tips on how to prepare for the Tableau Data Analyst Certification
The Salesforce Certified Tableau Data Analyst exam validates a professional's ability to transform data into actionable business insights using Tableau Desktop, Prep and Server/Cloud
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