Inside the Query Optimizer: How Databases choose and Evaluate Query Plans
You write a query. The database runs it. You get your result. Simple, right? Not quite. Before your query ever runs, the database is already making decisions behind the scenes. It evaluates different
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Dante Brekke
What a great post on query optimization! I never knew how much a database takes into account when it decides how to evaluate query strategies. I wonder if these optimizers will behave differently in the future scratch online as the AI improves.