From c2eacd2bde15422c0d22d6950e3c00e72ec2f226 Mon Sep 17 00:00:00 2001
From: Bonifatsiy <bonifatsiy2799@yandex.ru>
Date: Mon, 18 May 2026 19:55:26 +0400
Subject: [PATCH] =?UTF-8?q?1.=20=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB?=
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---
 .../Этап 2. Создание витринных таблиц.sql            |  9 ++++++++-
 .../Pet-Project/Этап 3. Анализ и запросы.sql         | 12 ++++++++----
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/dsolovianov/clickhouse/Pet-Project/Этап 2. Создание витринных таблиц.sql b/dsolovianov/clickhouse/Pet-Project/Этап 2. Создание витринных таблиц.sql
index e2dc606..8f6e555 100644
--- a/dsolovianov/clickhouse/Pet-Project/Этап 2. Создание витринных таблиц.sql	
+++ b/dsolovianov/clickhouse/Pet-Project/Этап 2. Создание витринных таблиц.sql	
@@ -18,6 +18,8 @@ CREATE TABLE dsolovianov.lesson_popularity_summary ON CLUSTER clickhouse_cluster
 )
 ORDER BY (course_id, lesson_id);
 
+DROP TABLE IF EXISTS dsolovianov.lesson_popularity_summary_mv ON CLUSTER clickhouse_cluster SYNC;
+
 CREATE MATERIALIZED VIEW dsolovianov.lesson_popularity_summary_mv ON CLUSTER clickhouse_cluster
 TO dsolovianov.lesson_popularity_summary
 AS
@@ -58,7 +60,7 @@ CREATE TABLE dsolovianov.inactive_users_summary ON CLUSTER clickhouse_cluster (
     user_id UInt32,
     name String,
     email String,
-    age UInt8,
+    age UInt32,
     registered_courses_count UInt32,
     registration_date Date
 ) ENGINE = ReplicatedMergeTree(
@@ -67,6 +69,8 @@ CREATE TABLE dsolovianov.inactive_users_summary ON CLUSTER clickhouse_cluster (
 )
 ORDER BY user_id;
 
+DROP TABLE IF EXISTS dsolovianov.inactive_users_summary_mv ON CLUSTER clickhouse_cluster SYNC;
+
 CREATE MATERIALIZED VIEW dsolovianov.inactive_users_summary_mv ON CLUSTER clickhouse_cluster
 TO dsolovianov.inactive_users_summary
 AS
@@ -184,3 +188,6 @@ FROM dsolovianov.core_enrollments e
 JOIN dsolovianov.core_dim_user u ON e.user_id = u.user_id
 JOIN dsolovianov.core_dim_course c ON e.course_id = c.course_id
 GROUP BY e.user_id, u.name, e.course_id, c.title;
+
+SELECT * FROM dsolovianov.course_completion_rate ORDER BY user_id;
+
diff --git a/dsolovianov/clickhouse/Pet-Project/Этап 3. Анализ и запросы.sql b/dsolovianov/clickhouse/Pet-Project/Этап 3. Анализ и запросы.sql
index 6550e5b..875ee9a 100644
--- a/dsolovianov/clickhouse/Pet-Project/Этап 3. Анализ и запросы.sql	
+++ b/dsolovianov/clickhouse/Pet-Project/Этап 3. Анализ и запросы.sql	
@@ -1,21 +1,25 @@
--- Этап 3. Анализ и запросы - Напиши SQL-запросы к витринам -- Напиши свои вариации для практики--
+-- Этап 3. Анализ и запросы - Напиши SQL-запросы к витринам
+-- Напиши свои вариации для практики--
+
+
 -- Топ-5 самых просматриваемых уроков
 
 SELECT 
     lesson_title,
     course_title,
     total_views
-FROM lesson_popularity_summary
+FROM dsolovianov.lesson_popularity_summary
 ORDER BY total_views DESC
 LIMIT 5;
 
+
 -- Неактивные пользователи, записавшиеся на курсы
 
 SELECT 
     name,
     email,
     registered_courses_count
-FROM inactive_users_summary
+FROM dsolovianov.inactive_users_summary
 WHERE registered_courses_count > 0
 ORDER BY registration_date DESC;
 
@@ -24,7 +28,7 @@ ORDER BY registration_date DESC;
 SELECT 
     course_title,
     AVG(completion_rate) AS avg_completion
-FROM course_completion_rate
+FROM dsolovianov.course_completion_rate
 GROUP BY course_title
 ORDER BY avg_completion DESC
 LIMIT 5;