Tag: database

I decided to re-read this impactful paper about data lakehouse from 2021 which talks about the “lakehouse” architecture within data warehousing. Below are my notes about it. Novelty Data warehousing can/should be built on direct access to open data format files, preferably on the cloud This will help with reliability and cost (cheap storage on […]

Given that database transactions have been around for decades, I was surprised to find that some concepts and implementations still don’t have generally agreed-upon terminology, especially across vendors. And even the ANSI SQL standard’s description of Isolation Levels has been found to be lacking in places. I made some notes recently about selected topics in […]