# Data engineering, explained visually.

> Data engineering diagrams and worked examples by Mario Caesar, with short explanations you can use in your own work. Two emails a month.

Canonical page: https://datasketch.caesarmar.io/newsletter

Data Sketch is a series of diagrams and worked examples, with short explanations you can follow and use in your own work.

Two emails a month.

[Subscribe](https://subscribe-forms.beehiiv.com/v3/forms/ab182b1c-934e-4199-8b97-a37031a05ced)

I agree to receive Data Sketch by email. I can unsubscribe at any time.

## Read a sketch first

- [Join Duplication Debugging Workflow](https://datasketch.caesarmar.io/sketches/join-duplication-debugging/)
- [Data Freshness](https://datasketch.caesarmar.io/sketches/data-freshness/)

[About Mario](https://caesarmar.io/)

[Newsletter privacy](https://datasketch.caesarmar.io/privacy)
