GROUP BY Extensions in PostgreSQL

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Well done! You learned about yet another powerful GROUP BY extension.

Judging by the progress you've made, we're confident that this final quiz will be a piece of cake for you. Ready to take on the challenge?

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17/17 Congratulations

1. Introduction

2. Get to know the warranty_repair table

3. Get to know the loan table

4. Multiple grouping with UNION ALL

5. Multiple grouping with UNION ALL – practice

6. Multiple groupings with GROUPING SETS

7. Multiple groupings with GROUPING SETS – practice

8. Using an empty grouping set

9. Using an empty grouping set – practice

10. GROUPING SETS with GROUPING()

11. GROUPING SETS with COALESCE()

12. GROUPING SETS with ROLLUP and CUBE

13. GROUPING SETS with ROLLUP and CUBE – practice

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You now know how to use all three GROUP BY extensions: ROLLUP, CUBE, and GROUPING SETS. Congratulations!

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