diff --git a/mnoskov/clickhouse/практика clickhouse/1. Движки/1. Семейство MergeTree/practice_table_types.sql b/mnoskov/clickhouse/практика clickhouse/1. Таблицы и типы данных/1. Движки/1. Семейство MergeTree/practice_table_types.sql
similarity index 100%
rename from mnoskov/clickhouse/практика clickhouse/1. Движки/1. Семейство MergeTree/practice_table_types.sql
rename to mnoskov/clickhouse/практика clickhouse/1. Таблицы и типы данных/1. Движки/1. Семейство MergeTree/practice_table_types.sql
diff --git a/mnoskov/clickhouse/практика clickhouse/1. Движки/practice_view_and_distribute_engines.sql b/mnoskov/clickhouse/практика clickhouse/1. Таблицы и типы данных/1. Движки/2. View и Distribute движки/practice_view_and_distribute_engines.sql
similarity index 100%
rename from mnoskov/clickhouse/практика clickhouse/1. Движки/practice_view_and_distribute_engines.sql
rename to mnoskov/clickhouse/практика clickhouse/1. Таблицы и типы данных/1. Движки/2. View и Distribute движки/practice_view_and_distribute_engines.sql
diff --git a/mnoskov/clickhouse/практика clickhouse/2. Типы данных/practice_data_types.sql b/mnoskov/clickhouse/практика clickhouse/1. Таблицы и типы данных/2. Типы данных/practice_data_types.sql
similarity index 100%
rename from mnoskov/clickhouse/практика clickhouse/2. Типы данных/practice_data_types.sql
rename to mnoskov/clickhouse/практика clickhouse/1. Таблицы и типы данных/2. Типы данных/practice_data_types.sql
diff --git a/mnoskov/clickhouse/практика clickhouse/2. Запросы/Синтаксис/practice_syntax.sql b/mnoskov/clickhouse/практика clickhouse/2. Запросы/Синтаксис/practice_syntax.sql
new file mode 100644
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+++ b/mnoskov/clickhouse/практика clickhouse/2. Запросы/Синтаксис/practice_syntax.sql	
@@ -0,0 +1,215 @@
+-- Задание 1
+CREATE TABLE mnoskov.users
+ON CLUSTER clickhouse_cluster
+(
+	user_id UInt32,
+	name String,
+	age UInt8,
+	country String,
+	is_active UInt8
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/mnoskov/users',
+    '{replica}'
+)
+ORDER BY user_id;
+
+INSERT INTO mnoskov.users
+(user_id,name,age,country,is_active)
+VALUES
+(1,'Ivan',30,'RU',1),
+(2,'Anna',25,'RU',1),
+(3,'Petr',45,'RU',0),
+(4,'Olga',35,'RU',1),
+(5,'John',55,'US',1),
+(6,'Alice',42,'US',0),
+(7,'Tom',38,'US',1),
+(8,'Lucas',28,'BR',1),
+(9,'Maria',60,'BR',1),
+(10,'Joao',27,'BR',0),
+(11,'Kenji',33,'JP',1),
+(12,'Yuki',29,'JP',0),
+(13,'Chen',40,'CN',1),
+(14,'Li',48,'CN',1),
+(15,'Fatima',31,'AE',1),
+(16,'Ahmed',36,'AE',1),
+(17,'George',24,'US',1),
+(18,'Nina',34,'RU',1),
+(19,'Max',50,'DE',1),
+(20,'Sophie',22,'DE',0);
+
+SELECT * FROM mnoskov.users;
+
+--1
+SELECT
+	user_id,
+	age,
+	is_active
+FROM
+	mnoskov.users
+WHERE
+	is_active = TRUE
+ORDER BY
+	age DESC
+LIMIT 10;
+
+--2
+SELECT
+	name,
+	country
+FROM
+	mnoskov.users
+WHERE
+	country = 'RU'
+ORDER BY
+	name;
+
+--3
+SELECT
+	user_id,
+	age,
+	is_active
+FROM
+	mnoskov.users
+WHERE
+	is_active = TRUE
+LIMIT 10;
+-- Данные вывелить так как лежат на диске.
+
+--4
+SELECT
+	country,
+	count()
+FROM
+	mnoskov.users
+GROUP BY
+	country;
+
+--5
+SELECT
+	country,
+	min(age) AS min_age,
+	max(age) AS max_age
+FROM
+	mnoskov.users
+GROUP BY
+	country;
+
+--6
+SELECT
+	country,
+	count() AS cnt_users
+FROM
+	mnoskov.users
+GROUP BY
+	country
+ORDER BY
+	cnt_users DESC;
+
+--Доп
+SELECT
+	uniqExact(country),
+	uniq(country)
+FROM
+	mnoskov.users;
+-- uniqExact(country) - кол-во уникальных значений в колонке country. Но uniq работает также.
+-- В инете написано что uniq быстрее.
+
+
+-- Задание 2
+CREATE TABLE mnoskov.events1
+ON CLUSTER clickhouse_cluster
+(
+	user_id UInt32,
+	event_time DateTime,
+	event_type String
+)
+ENGINE = ReplicatedMergeTree(
+    '/clickhouse/tables/{shard}/mnoskov/events1',
+    '{replica}'
+)
+ORDER BY(user_id,event_time);
+
+INSERT INTO mnoskov.events1
+(user_id,event_time,event_type)
+VALUES
+(1,'2025-07-17 09:00:00','click'),
+(1,'2025-07-17 09:05:00','view'),
+(1,'2025-07-17 09:10:00','purchase'),
+(2,'2025-07-17 10:00:00','click'),
+(2,'2025-07-17 10:05:00','click'),
+(2,'2025-07-17 11:00:00','view'),
+(3,'2025-07-16 12:00:00','view'),
+(3,'2025-07-16 12:30:00','click'),
+(3,'2025-07-17 08:00:00','purchase'),
+(4,'2025-07-17 13:00:00','click'),
+(4,'2025-07-17 14:00:00','view'),
+(4,'2025-07-17 15:00:00','view'),
+(5,'2025-07-16 20:00:00','view'),
+(5,'2025-07-17 01:00:00','click'),
+(5,'2025-07-17 06:00:00','purchase'),
+(6,'2025-07-17 07:30:00','view'),
+(6,'2025-07-17 08:45:00','click'),
+(7,'2025-07-16 23:59:59','click'),
+(7,'2025-07-17 00:01:00','purchase'),
+(7,'2025-07-17 10:10:00','view');
+
+SELECT * FROM mnoskov.events1;
+
+--1
+SELECT
+	user_id,
+	event_time,
+	event_type,
+	count() OVER(PARTITION BY user_id ORDER BY event_time) AS com_users
+FROM
+	mnoskov.events1;
+
+--2
+SELECT
+	user_id,
+	event_time,
+	event_type,
+	row_number() OVER (PARTITION BY user_id ORDER BY event_time) rn,
+	dense_rank() OVER (PARTITION BY user_id ORDER BY event_time) dr,
+	count() OVER(PARTITION BY user_id ORDER BY event_time) AS c,
+	sum(1) OVER(PARTITION BY user_id ORDER BY event_time) AS s
+FROM
+	mnoskov.events1;
+
+--3
+SELECT
+	user_id,
+	event_time,
+	event_type,
+	count() OVER(PARTITION BY user_id ORDER BY event_time ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS com_users,
+	count() OVER(PARTITION BY user_id ORDER BY event_time ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS com_users2
+FROM
+	mnoskov.events1;
+-- все четенько работает, никаких ошибкок нет
+
+--4-5-6
+WITH recent_events AS (
+	SELECT
+		user_id,
+		event_time,
+		event_type
+	FROM
+		mnoskov.events1
+	WHERE
+		event_time < now() - INTERVAL 1 DAY
+)
+SELECT
+	user_id,
+	count(*) AS cnt_user_actions
+FROM
+	recent_events
+GROUP BY
+	user_id
+ORDER BY
+	cnt_user_actions DESC
+LIMIT
+	5;
+-- не понял, как сделать 6 пункт.
+
+-- Ответ на вопрос - ну да - поддерживает.
\ No newline at end of file