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Level · 30 daysSoon

30 Days of SQL

From SELECT to window functions and query tuning — the language every data role runs on, one day at a time.

Coming soon. Here’s the planned curriculum. Meanwhile, 7 Days of ML is live and runnable right now.
  1. Module 1SELECT, filter & sort
  2. Module 2Joins across tables
  3. Module 3Aggregation & grouping
  4. Module 4Subqueries & CTEs
  5. Module 5Window functions
  6. Module 6Query performance