Create 1142-user-activity-for-the-past-30-days-ii.sql

Author: everthis

1142-user-activity-for-the-past-30-days-ii.sql

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+# Write your MySQL query statement below
+SELECT ifnull(ROUND(COUNT(DISTINCT session_id)/COUNT(DISTINCT user_id), 2),0.00) 
+AS average_sessions_per_user
+FROM Activity 
+WHERE activity_date >= '2019-06-28' and activity_date <= '2019-07-27';