SQL: Premium Upgrade Within 7 Days | Dataford Interview Questions
SQL: Premium Upgrade Within 7 Days
HardDate FunctionsJoinsConversion Rate
Problem
Given a table of user logins and a table of purchases, write a query to calculate the conversion rate of users who upgraded to premium within 7 days of their first login.
Problem
Given a table of user logins and a table of purchases, write a query to calculate the conversion rate of users who upgraded to premium within 7 days of their first login.
Your answer
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