https://www.briananglin.me/posts/spending-5k-to-learn-how-database-indexes-workhttps://planetscale.com/blog/grouping-and-aggregations-on-vitesshttps://www.red-gate.com/simple-talk/databases/sql-server/learn/schema-based-access-control-for-sql-server-databases/https://planetscale.com/blog/build-a-multi-stage-pipeline-with-planetscale-and-awshttps://michaeljswart.com/2017/07/sql-server-upsert-patterns-and-antipatterns/https://blog.bytebytego.com/p/factors-to-consider-in-database-selection?utm_source=substack&utm_medium=emailhttps://use-the-index-luke.com/sql/where-clause/obfuscation/smart-logichttps://github.com/ben-n93/SQL-tips-and-tricks?tab=readme-ov-file#be-aware-of-how-not-in-behaves-with-null-values