Customer Behavior Analysis in SQL | Online Course | Vertabelo Academy

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17/19 Question 1

2. The data model

3. Customer registrations in a time period

4. Registrations in a time period with interval arithmetic

5. Calculating the beginning of the current period

6. Calculating the beginning of the current period – alternative way

7. Calculating the beginning of the current period – a practical approach

8. Registration count for the current time period

9. Registration over time report – single date part

10. Registration over time report – multiple date parts

11. Registration over time report – exercise with multiple date parts

12. Weekly registration report – displaying week label

13. Customer cohorts

14. Customer cohort report

15. Customer cohort report – exercise

19. Congratulations

Okay, now comes the first question!

Show the number of registrations in the current year. Name the column registrations_this_year.

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