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Advanced · 30 XP

Calculate 7-Day User Retention Cohort

Calculate the percentage of users who returned to perform an activity within 7 days of their initial signup date.

Show Step-by-Step Hint
  • • Use a LEFT JOIN between the cohort signup date and event timestamps within 7 days.
Type: Sql
Runtime: SQL
SQL solutionCHALLENGE #7
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