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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code.
You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.
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with events_cnt as (with events_count as (select *, cast(date_trunc('month',event_time) AS date) as dt --выносим дату в нужном формате from tools_shop.events where event_name = 'view_item' -- берем события с таким названием and user_id in ( select user_id from tools_shop.orders where items_cnt >= 1) -- берем тех пользователей, которые совершили хотя бы одну покупку ) select distinct(dt), count(event_name) over(order by dt) as event_cnt --считаем кол-во ивентов from events_count) select dt, event_cnt, SUM(event_cnt) OVER (order by dt) AS events_cum -- считаем накопленное кол-во ивентов from events_cnt order by dt ;
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