Max Halford ツBlog Links Bio #data-engLower your warehouse costs via DuckDB transpilation 2026-03-12 data-eng sqlRow level lineage at Carbonfact 2026-01-09 python data-engThoughts on DuckLake 2025-06-09 data-engMinimizing the runtime of a SQL DAG 2025-02-08 data-eng pythonA training set for bike sharing forecasting 2024-04-04 data-eng machine-learningEfficient ELT refreshes 2023-12-01 data-engSh*t flows downhill, but not at Carbonfact 2023-10-16 data-engFor analytics, don't use dynamic JSON keys 2023-05-11 data-eng sqlA rant against dbt ref 2022-06-28 data-eng sql rantDashboards and GROUPING SETS 2021-09-10 data-eng sqlAn overview of dataset time travel 2021-04-07 data-engA few intermediate pandas tricks 2020-08-17 data-engFinding fuzzy duplicates with pandas 2019-09-16 data-engA smooth approach to putting machine learning into production 2019-07-13 machine-learning data-engSkyline queries in Python 2019-05-21 data-eng