From af3293dc4e4b1a93b8a9b6365f80f34d52476d77 Mon Sep 17 00:00:00 2001
From: mnoskov <bather.plaint5x@icloud.com>
Date: Thu, 21 May 2026 14:37:36 +0300
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---
 .../Этап 3. Анализ и запросы/Task_5_SQL_queries_for_dm.sql | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 mnoskov/clickhouse/Пет-проект: Витринный слой/Этап 3. Анализ и запросы/Task_5_SQL_queries_for_dm.sql

diff --git a/mnoskov/clickhouse/Пет-проект: Витринный слой/Этап 3. Анализ и запросы/Task_5_SQL_queries_for_dm.sql b/mnoskov/clickhouse/Пет-проект: Витринный слой/Этап 3. Анализ и запросы/Task_5_SQL_queries_for_dm.sql
new file mode 100644
index 0000000..ebe46d6
--- /dev/null
+++ b/mnoskov/clickhouse/Пет-проект: Витринный слой/Этап 3. Анализ и запросы/Task_5_SQL_queries_for_dm.sql	
@@ -0,0 +1,36 @@
+-- Топ 5 самых непросматреваемых уроков
+SELECT
+	any(lesson_title),
+	any(course_title),
+	countMerge(total_views) AS total_views
+FROM
+	mnoskov.lesson_popularity_summary
+GROUP BY
+	lesson_id
+ORDER BY
+	total_views
+LIMIT 5;
+
+
+-- Неактивные пользователи младше 26
+SELECT
+	name,
+	age,
+	email
+FROM
+	mnoskov.inactive_users_summary
+WHERE
+	age < 26;
+
+
+-- 3 круса с самым низкми процентом завершения
+SELECT
+	course_title,
+	avg(completion_rate) AS avg_completion_rate
+FROM
+	mnoskov.course_completion_rate
+GROUP BY
+	course_title
+ORDER BY
+	avg_completion_rate
+LIMIT 3;
\ No newline at end of file