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Wow! You've managed to solve all the tasks we had prepared for you. By now, you really should know how to write SQL queries. Excellent!

Click Next exercise to finish this part and the whole course.

If you liked this course, take a look at our SQL JOINs course or How to Insert, Update, and Delete Data in SQL. If you need more practice, then be sure to check out our SQL Practice Set to learn more about joins and subqueries.

If you feel confident with your basic SQL knowledge, and want to learn something more advanced, check our Standard SQL Functions course. There, you'll learn how to deal with NULLs and different data types, as well as how to use SQL aggregate functions!


Click Next exercise to finish.