Kostas’s Blog

DX ∪ UX = U ∧ DX ∩ UX = ∅

Why you should keep an eye on Apache DataFusion and its community.

A glimpse into the future of data processing infrastructure.

MLOps is Mostly Data Engineering.

A Tutorial on SQL Window Functions Using DuckDB.

What Happened to the API Economy?.

Guide to SQL Dates with DuckDB.

Working with SQL Timestamp, Date and Time Data Types.

Trino Internals - Parameterized Timestamp Types.

Snowflake Streaming Ingestion.

How Snowflake Pricing Works.

About Data Observability.

Starting and Growing a Podcast Show.

Data Ingestion Standards.

The Battle of the Data Platform.