1. Congratulations!
Congratulations on completing this course! By now, you should feel more comfortable with Oracle SQL.
2. Chapter 1
In the first chapter, you practiced the basics. You wrote your first queries to retrieve, order and filter data.
3. Chapter 2
In the second chapter, you learned about data types and started grouping and aggregating data.
4. Chapter 3
The third chapter taught you the art of combining tables: you studied different types of joins, set operators, and their applications.
5. Chapter 4
In the fourth chapter, you understood the order in which SQL executes queries, and took your skills to the next level by rounding values, converting them or dealing with missing data.
6. Good bye!
Thank you for taking this course, and congratulations again!