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SQL & Relational Databases Deep Dive

Lesson 1 of 3

SELECT, WHERE, ORDER BY

Ask your data questions.

The shape of a query

Almost every query starts here:

SELECT name, price
FROM courses
WHERE is_free = false
ORDER BY price DESC
LIMIT 10;

Read it top-to-bottom: what, from where, filtered how, ordered how.

Back toCourse overviewNext lessonJoins Explained Visually

SQL & Relational Databases Deep Dive

Lesson 1 of 3 · 44m total

  1. 1SELECT, WHERE, ORDER BY11:00
  2. 2Joins Explained Visually18:00
  3. 3Indexes & Performance15:00