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SQL

From zero: tables, SELECT, filtering, sorting. Runs in-browser.

Estimated 18h · 3 lessons published (beginner complete; more levels next).

You have not completed any lessons in this track yet.

beginner

  1. 1What is SQL? Your first SELECTReading data · What a database, table, and query are.
  2. 2Filter with WHEREReading data · What a condition is; keep only matching rows.
  3. 3Sort results and add rowsReading data · ORDER BY and INSERT: arrange and grow data.

intermediate

The intermediate level for SQL is planned. Beginner lessons below already teach the foundations; intermediate content follows the same lesson template.

advanced

The advanced level for SQL is planned. Beginner lessons below already teach the foundations; intermediate content follows the same lesson template.

expert

The expert level for SQL is planned. Beginner lessons below already teach the foundations; intermediate content follows the same lesson template.