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Blogs by chris williams

Welcome to the Advancing Analytics blog. We’re a bunch of data and AI specialists who build modern platforms and make messy data behave.

You'll find a trove of posts and video here, focused on AI and machine learning, data engineering and analytics. Our blogs are all based on what we’re seeing in the real world - with lessons learned from the sharp end of delivery. 

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Chris williams
Data Culture Learning
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Chris Williams
Consultancy Lessons from Philosophy - Ancient Greece
Introduction During my years in the data industry and consultancy, I've encountered many tough...

29th April, 2025

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Engineering
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Chris Williams
Tips for the Databricks Certified Associate Developer for Apache...
After diving in to (and passing!) the Associate Developer for Apache Spark 3.0 exam...

7th June, 2022

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Engineering
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Chris Williams
Tips for the Databricks Certified Associate Developer for Apache...
Following on from my previous post I wanted to cover off some more key topics that can really...

7th June, 2022

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Chris Williams
Slowly Changing Dimensions (SCD Type 2) with Delta and Databricks
From Warehouse to Lakehouse Pt.2 SCD Type 2 in SQL and Python Introduction For more...

26th September, 2021

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Engineering
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Chris Williams
Slowly Changing Dimensions (SCD Type 1) with Delta and Databricks
From Warehouse to Lakehouse Pt.1 SCD Type 1 in SQL and Python Introduction With the move to...

6th September, 2021

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