Why you should think twice before UNNESTing arrays or date intervals

A practical reminder that not all simple solutions scale

Jun 9 • 

Constantin Lungu

2

November 2024

For quality work, understand your data grain first

There’s one concept that is central when working with data and goes beyond specific technology or #SQL dialects.

Nov 1, 2024 • 

Constantin Lungu

August 2024

How I View Real-Life Data Collection as a Data Professional

I Went Shopping as a Data Engineer: Here's What I Observed

Aug 4, 2024 • 

Constantin Lungu

June 2024

Short, almost non-technical guide to SQL query tuning as a Data Engineer

It's not all about those fancy details.

Jun 19, 2024 • 

Constantin Lungu

4

Easy with that SELECT DISTINCT!

Quick fix, possible long-term trouble

Jun 2, 2024 • 

Constantin Lungu

1

Breaking Free from Tutorial Hell: Tips for Aspiring Data Professionals

Stop collecting certificates and start working on your skills

Jun 1, 2024 • 

Constantin Lungu

3

May 2024

How tinkering in middle school helps me as a Data Engineer today

Turning Time 'Wasted' into an Investment in Your Future Self

May 24, 2024 • 

Constantin Lungu

April 2024

Lessons from Chernobyl and how it relates to software engineering

How a tragedy's lessons can apply to building strong software teams

Apr 22, 2024 • 

Constantin Lungu

Why does your Data Warehouse need to look more like a pharmacy than a retail store?

I was following a discussion about the “Self-Service paradox”.

Apr 15, 2024 • 

Constantin Lungu

5

December 2023

Not just SQL - Episode 2

Data Radar, More than just coding, Creator Update and, of course, random things I've read on the internet

Dec 8, 2023 • 

Constantin Lungu

November 2023

Not Just SQL - October '23

Hello data fans and internet folks in general! I'm really excited to welcome you to the very first post of my newsletter-blog mix. I'm Constantin Lungu…

Nov 1, 2023 • 

Constantin Lungu

1

August 2023

A few thoughts about recent Python integration into Excel

The buzz is real!

Aug 25, 2023 • 

Constantin Lungu