I built LeetCode for Databricks data engineers. 104 exercises. 13 notebooks. Two areas: Delta Lake and ELT. Free. There's no place to practice writing production Databricks code. LeetCode? Algorithm ...

This repository contains the transformation logic, analytical models, and dashboard assets for a cohort analysis project built with a modern ELT architecture. The objective is to analyze customer ...

You've sat in a meeting where someone questioned the numbers. Not because the data was wrong — but because it came from three different places and nobody could ...