From 8913ccb25ea37abfca51a1cdea457035974af59b Mon Sep 17 00:00:00 2001
From: mnoskov <bather.plaint5x@icloud.com>
Date: Tue, 21 Apr 2026 21:05:39 +0300
Subject: [PATCH] =?UTF-8?q?=D0=AD=D1=82=D0=B0=D0=BF=201.=20=D0=98=D0=BD?=
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---
 .../Step_1_project_Initialization.sql         | 46 +++++++++++++++++++
 .../practice_distributed_by.txt               |  0
 .../practice_explain.txt                      |  0
 .../practice_external_sources_and_integration.txt |  0
 .../practice_requests.txt                     |  0
 5 files changed, 46 insertions(+)
 create mode 100644 mnoskov/greenplum/Пет проект: DWH/Step_1_project_Initialization.sql
 rename mnoskov/greenplum/{ => Практика greenplum}/practice_distributed_by.txt (100%)
 rename mnoskov/greenplum/{ => Практика greenplum}/practice_explain.txt (100%)
 rename mnoskov/greenplum/{ => Практика greenplum}/practice_external_sources_and_integration.txt (100%)
 rename mnoskov/greenplum/{ => Практика greenplum}/practice_requests.txt (100%)

diff --git a/mnoskov/greenplum/Пет проект: DWH/Step_1_project_Initialization.sql b/mnoskov/greenplum/Пет проект: DWH/Step_1_project_Initialization.sql
new file mode 100644
index 0000000..f76258c
--- /dev/null
+++ b/mnoskov/greenplum/Пет проект: DWH/Step_1_project_Initialization.sql	
@@ -0,0 +1,46 @@
+-- 1
+CREATE SCHEMA raw;
+CREATE SCHEMA core;
+CREATE SCHEMA dm;
+
+-- 2
+-- DROP TABLE IF EXISTS raw.users;
+CREATE TABLE raw.users (
+	id bigint,
+	name varchar(100),
+	age SMALLINT,
+	email varchar(100),
+	registration_date timestamptz
+);
+
+--DROP TABLE IF EXISTS raw.courses;
+CREATE TABLE raw.courses (
+	id bigint,
+	title varchar(150),
+	category varchar(50),
+	created_at timestamptz
+);
+
+--DROP TABLE IF EXISTS raw.lessons;
+CREATE TABLE raw.lessons (
+	id bigint,
+	course_id bigint,
+	title varchar(150),
+	duration_min SMALLINT
+);
+
+--DROP TABLE IF EXISTS raw.enrollments;
+CREATE TABLE raw.enrollments (
+	id bigint,
+	user_id bigint,
+	course_id bigint,
+	enrolled_at timestamptz
+);
+
+--DROP TABLE IF EXISTS raw.lesson_views;
+CREATE TABLE raw.lesson_views (
+	id bigint,
+	user_id bigint,
+	lesson_id bigint,
+	viewed_at timestamptz
+);
\ No newline at end of file
diff --git a/mnoskov/greenplum/practice_distributed_by.txt b/mnoskov/greenplum/Практика greenplum/practice_distributed_by.txt
similarity index 100%
rename from mnoskov/greenplum/practice_distributed_by.txt
rename to mnoskov/greenplum/Практика greenplum/practice_distributed_by.txt
diff --git a/mnoskov/greenplum/practice_explain.txt b/mnoskov/greenplum/Практика greenplum/practice_explain.txt
similarity index 100%
rename from mnoskov/greenplum/practice_explain.txt
rename to mnoskov/greenplum/Практика greenplum/practice_explain.txt
diff --git a/mnoskov/greenplum/practice_external_sources_and_integration.txt b/mnoskov/greenplum/Практика greenplum/practice_external_sources_and_integration.txt
similarity index 100%
rename from mnoskov/greenplum/practice_external_sources_and_integration.txt
rename to mnoskov/greenplum/Практика greenplum/practice_external_sources_and_integration.txt
diff --git a/mnoskov/greenplum/practice_requests.txt b/mnoskov/greenplum/Практика greenplum/practice_requests.txt
similarity index 100%
rename from mnoskov/greenplum/practice_requests.txt
rename to mnoskov/greenplum/Практика greenplum/practice_requests.txt