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Update 1097. Game Play Analysis V.sql #2

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Update 1097. Game Play Analysis V.sql #2

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10 changes: 10 additions & 0 deletions Database hard/1097. Game Play Analysis V.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -126,4 +126,14 @@ GROUP BY r.event_date



select i_date install_dt , max(i_count) installs, sum(ind_next_day)/max(i_count) Day1_retention
from
(select *
, min(event_date) over(partition by player_id) i_date
,count(player_id) over(partition by event_date) i_count
,case when lead(event_date) over(partition by player_id order by event_date )-1 = min(event_date) over(partition by player_id) then 1 else 0 end ind_next_day
from Activity) a
group by i_date