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Introduction
The COALESCE() function
The GREATEST() & LEAST() functions
The NULLIF() function
Summary
18. Congratulations

Instruction

Wow, excellent work! That was a piece of cake for you 🙂

You've learned some useful new PostgreSQL functions. We hope you enjoyed working with Mr. Adams and his company. See you in the next part!

Exercise

Click Next exercise to finish this part.