#window functions

SQL: each user's first share and closest collaborator
CodingFigma
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Top three items per category in SQL
CodingMeta
▲ 00 solutions
Customers who rented in two consecutive weeks (SQL)
CodingMeta
▲ 00 solutions
Library database SQL: unreturned copies, top books and referral gaps
CodingMeta
▲ 00 solutions
Time on page from the next user event
CodingAirbnb
▲ 00 solutions
Users with impressions on seven consecutive days
CodingAirbnb
▲ 00 solutions