On January 21th at 14:15 UTC , progression through exercises will be unavailable for 10 minutes due to a planned maintenance break.
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Final Quiz
7. Exercise 5


Fantastic! How about the next one?


For each person who registered earlier than 3 months ago, show their first_name, last_name and the interval showing how long they've been a member (subtract the registration_date from current_date). Name the last column days.