Another one bites the dust
Following up on our track purchase analysis, let's get the tracks that have never been bought.
Cet exercice fait partie du cours
Introduction to Oracle SQL
Instructions
- Find the tracks that appear in the
Tracktable, that don't appear in theInvoiceLineone.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
-- Get track IDs that don't appear in invoiceline
SELECT ___
FROM ___
___
SELECT ___
FROM ___