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This is my blog. I write about whatever I want.

Mostly data engineering, AI, analytics, software, and architecture — Spark, Kafka, Databricks, Snowflake, dbt, Airflow — and the small craft decisions that compound. Updated when there is something worth saying.

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Jun 19, 2026
9 min read

The Three Joins AQE Can't Save You FromThe Three Joins AQE Can't Save You FromThe Three Joins AQE Can't Save You From

When and how to override Spark's automatic join strategy — a technical deep-dive for senior engineers.

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