OS-52,53,54
This commit is contained in:
Bonifatsiy
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SET statement_timeout = 0;
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SET lock_timeout = 0;
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SET idle_in_transaction_session_timeout = 0;
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SET transaction_timeout = 0;
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SET client_encoding = 'UTF8';
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SET standard_conforming_strings = on;
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SELECT pg_catalog.set_config('search_path', '', false);
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SET check_function_bodies = false;
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SET xmloption = content;
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SET client_min_messages = warning;
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SET row_security = off;
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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-- ЭТАП 1
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-- 1.1 - СОЗДАНИЕ СХЕМ
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CREATE SCHEMA core;
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ALTER SCHEMA core OWNER TO dsolovianov;
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CREATE SCHEMA dm;
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ALTER SCHEMA dm OWNER TO dsolovianov;
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CREATE SCHEMA raw;
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ALTER SCHEMA raw OWNER TO dsolovianov;
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SET default_tablespace = '';
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-- 1.2 - Создание raw-таблиц
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CREATE TABLE raw.courses (
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id integer,
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title character varying(50),
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category character varying(50),
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created_at character varying(50)
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);
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ALTER TABLE raw.courses OWNER TO dsolovianov;
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CREATE TABLE raw.enrollments (
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id integer,
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user_id integer,
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course_id integer,
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enrolled_at character varying(50)
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);
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ALTER TABLE raw.enrollments OWNER TO dsolovianov;
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CREATE TABLE raw.lesson_views (
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id integer,
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user_id integer,
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lesson_id integer,
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viewed_at character varying(50)
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);
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ALTER TABLE raw.lesson_views OWNER TO dsolovianov;
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CREATE TABLE raw.lessons (
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id integer,
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course_id integer,
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title character varying(50),
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duration_min integer
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);
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ALTER TABLE raw.lessons OWNER TO dsolovianov;
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CREATE TABLE raw.users (
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id integer,
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name character varying(50),
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age integer,
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email character varying(50),
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registration_date character varying(50)
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);
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ALTER TABLE raw.users OWNER TO dsolovianov;
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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-- Этап 3. Слой Core
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CREATE TABLE core.dim_course (
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course_id integer NOT NULL,
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title text,
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category text
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);
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ALTER TABLE core.dim_course OWNER TO dsolovianov;
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CREATE TABLE core.dim_date (
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date date NOT NULL,
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year integer,
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month integer,
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day integer,
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weekday text
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);
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ALTER TABLE core.dim_date OWNER TO dsolovianov;
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CREATE TABLE core.dim_lesson (
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lesson_id integer NOT NULL,
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title text,
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duration_min integer,
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course_id integer
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);
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ALTER TABLE core.dim_lesson OWNER TO dsolovianov;
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CREATE TABLE core.dim_user (
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user_id integer NOT NULL,
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name text,
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age integer,
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email text,
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registration_date date
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);
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ALTER TABLE core.dim_user OWNER TO dsolovianov;
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CREATE TABLE core.enrollments (
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user_id integer,
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course_id integer,
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enrolled_at timestamp without time zone
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);
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ALTER TABLE core.enrollments OWNER TO dsolovianov;
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CREATE TABLE core.fact_lesson_views (
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user_id integer,
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lesson_id integer,
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course_id integer,
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viewed_at timestamp without time zone
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);
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ALTER TABLE core.fact_lesson_views OWNER TO dsolovianov;
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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COPY core.dim_course (course_id, title, category) FROM stdin;
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2 Python для анализа данных programming
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1 SQL для начинающих data
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3 BI с нуля business
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\.
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COPY core.dim_date (date, year, month, day, weekday) FROM stdin;
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2023-01-15 2023 1 15 Sunday
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2023-01-16 2023 1 16 Monday
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2023-01-21 2023 1 21 Saturday
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2023-01-20 2023 1 20 Friday
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2023-03-05 2023 3 5 Sunday
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2023-02-01 2023 2 1 Wednesday
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2023-04-02 2023 4 2 Sunday
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2023-03-06 2023 3 6 Monday
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2023-04-01 2023 4 1 Saturday
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2023-04-03 2023 4 3 Monday
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\.
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--
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-- TOC entry 2500 (class 0 OID 25643)
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-- Dependencies: 274
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-- Data for Name: dim_lesson; Type: TABLE DATA; Schema: core; Owner: dsolovianov
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--
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COPY core.dim_lesson (lesson_id, title, duration_min, course_id) FROM stdin;
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4 Основы BI 12 3
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5 Метрики и дашборды 18 3
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2 JOIN 15 1
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1 SELECT и FROM 10 1
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3 Pandas 20 2
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\.
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--
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-- TOC entry 2498 (class 0 OID 25627)
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-- Dependencies: 272
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-- Data for Name: dim_user; Type: TABLE DATA; Schema: core; Owner: dsolovianov
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--
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COPY core.dim_user (user_id, name, age, email, registration_date) FROM stdin;
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3 Charlie 22 charlie@mail.com 2023-02-20
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1 Alice 25 alice@mail.com 2023-01-10
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2 Bob 30 bob@gmail.com 2023-02-05
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5 Ethan 35 ethan@gmail.com 2023-03-10
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4 Diana 28 diana@mail.com 2023-03-01
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\.
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--
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-- TOC entry 2502 (class 0 OID 25872)
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-- Dependencies: 276
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-- Data for Name: enrollments; Type: TABLE DATA; Schema: core; Owner: dsolovianov
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--
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COPY core.enrollments (user_id, course_id, enrolled_at) FROM stdin;
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4 3 2023-04-01 00:00:00
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1 2 2023-02-01 00:00:00
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2 1 2023-01-20 00:00:00
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1 1 2023-01-15 00:00:00
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3 2 2023-03-05 00:00:00
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\.
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--
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-- TOC entry 2503 (class 0 OID 25885)
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-- Dependencies: 277
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-- Data for Name: fact_lesson_views; Type: TABLE DATA; Schema: core; Owner: dsolovianov
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--
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COPY core.fact_lesson_views (user_id, lesson_id, course_id, viewed_at) FROM stdin;
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2 1 1 2023-01-21 09:00:00
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1 2 1 2023-01-16 10:15:00
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3 3 2 2023-03-06 12:00:00
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1 1 1 2023-01-16 10:00:00
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4 4 3 2023-04-02 10:00:00
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4 5 3 2023-04-03 10:00:00
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\.
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--
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-- TOC entry 2494 (class 0 OID 25615)
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-- Dependencies: 268
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-- Data for Name: courses; Type: TABLE DATA; Schema: raw; Owner: dsolovianov
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--
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COPY raw.courses (id, title, category, created_at) FROM stdin;
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3 BI с нуля business 2023-03-01
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1 SQL для начинающих data 2023-01-01
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2 Python для анализа данных programming 2023-01-15
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\.
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--
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-- TOC entry 2496 (class 0 OID 25621)
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-- Dependencies: 270
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-- Data for Name: enrollments; Type: TABLE DATA; Schema: raw; Owner: dsolovianov
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--
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COPY raw.enrollments (id, user_id, course_id, enrolled_at) FROM stdin;
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1 1 1 2023-01-15
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2 1 2 2023-02-01
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3 2 1 2023-01-20
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4 3 2 2023-03-05
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5 4 3 2023-04-01
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\.
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--
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-- TOC entry 2497 (class 0 OID 25624)
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-- Dependencies: 271
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-- Data for Name: lesson_views; Type: TABLE DATA; Schema: raw; Owner: dsolovianov
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--
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COPY raw.lesson_views (id, user_id, lesson_id, viewed_at) FROM stdin;
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2 1 2 2023-01-16 10:15:00.000
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1 1 1 2023-01-16 10:00:00.000
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3 2 1 2023-01-21 09:00:00.000
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5 4 4 2023-04-02 10:00:00.000
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4 3 3 2023-03-06 12:00:00.000
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6 4 5 2023-04-03 10:00:00.000
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\.
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--
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-- TOC entry 2495 (class 0 OID 25618)
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-- Dependencies: 269
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-- Data for Name: lessons; Type: TABLE DATA; Schema: raw; Owner: dsolovianov
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--
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COPY raw.lessons (id, course_id, title, duration_min) FROM stdin;
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1 1 SELECT и FROM 10
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2 1 JOIN 15
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3 2 Pandas 20
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4 3 Основы BI 12
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5 3 Метрики и дашборды 18
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\.
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--
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-- TOC entry 2493 (class 0 OID 25612)
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-- Dependencies: 267
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-- Data for Name: users; Type: TABLE DATA; Schema: raw; Owner: dsolovianov
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--
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COPY raw.users (id, name, age, email, registration_date) FROM stdin;
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1 Alice 25 alice@mail.com 2023-01-10
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2 Bob 30 bob@gmail.com 2023-02-05
|
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3 Charlie 22 charlie@mail.com 2023-02-20
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5 Ethan 35 ethan@gmail.com 2023-03-10
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4 Diana 28 diana@mail.com 2023-03-01
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\.
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--
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-- TOC entry 2314 (class 2606 OID 25642)
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-- Name: dim_course dim_course_pkey; Type: CONSTRAINT; Schema: core; Owner: dsolovianov
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--
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ALTER TABLE ONLY core.dim_course
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ADD CONSTRAINT dim_course_pkey PRIMARY KEY (course_id);
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--
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-- TOC entry 2318 (class 2606 OID 25663)
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-- Name: dim_date dim_date_pkey; Type: CONSTRAINT; Schema: core; Owner: dsolovianov
|
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|
--
|
||||||
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|
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|
ALTER TABLE ONLY core.dim_date
|
||||||
|
ADD CONSTRAINT dim_date_pkey PRIMARY KEY (date);
|
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|
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|
||||||
|
--
|
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-- TOC entry 2316 (class 2606 OID 25650)
|
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-- Name: dim_lesson dim_lesson_pkey; Type: CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.dim_lesson
|
||||||
|
ADD CONSTRAINT dim_lesson_pkey PRIMARY KEY (lesson_id);
|
||||||
|
|
||||||
|
|
||||||
|
--
|
||||||
|
-- TOC entry 2312 (class 2606 OID 25634)
|
||||||
|
-- Name: dim_user dim_user_pkey; Type: CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.dim_user
|
||||||
|
ADD CONSTRAINT dim_user_pkey PRIMARY KEY (user_id);
|
||||||
|
|
||||||
|
|
||||||
|
--
|
||||||
|
-- TOC entry 2319 (class 2606 OID 25651)
|
||||||
|
-- Name: dim_lesson dim_lesson_course_id_fkey; Type: FK CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.dim_lesson
|
||||||
|
ADD CONSTRAINT dim_lesson_course_id_fkey FOREIGN KEY (course_id) REFERENCES core.dim_course(course_id);
|
||||||
|
|
||||||
|
|
||||||
|
--
|
||||||
|
-- TOC entry 2320 (class 2606 OID 25880)
|
||||||
|
-- Name: enrollments enrollments_course_id_fkey; Type: FK CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.enrollments
|
||||||
|
ADD CONSTRAINT enrollments_course_id_fkey FOREIGN KEY (course_id) REFERENCES core.dim_course(course_id);
|
||||||
|
|
||||||
|
|
||||||
|
--
|
||||||
|
-- TOC entry 2321 (class 2606 OID 25875)
|
||||||
|
-- Name: enrollments enrollments_user_id_fkey; Type: FK CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.enrollments
|
||||||
|
ADD CONSTRAINT enrollments_user_id_fkey FOREIGN KEY (user_id) REFERENCES core.dim_user(user_id);
|
||||||
|
|
||||||
|
|
||||||
|
--
|
||||||
|
-- TOC entry 2322 (class 2606 OID 25898)
|
||||||
|
-- Name: fact_lesson_views fact_lesson_views_course_id_fkey; Type: FK CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.fact_lesson_views
|
||||||
|
ADD CONSTRAINT fact_lesson_views_course_id_fkey FOREIGN KEY (course_id) REFERENCES core.dim_course(course_id);
|
||||||
|
|
||||||
|
|
||||||
|
--
|
||||||
|
-- TOC entry 2323 (class 2606 OID 25893)
|
||||||
|
-- Name: fact_lesson_views fact_lesson_views_lesson_id_fkey; Type: FK CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.fact_lesson_views
|
||||||
|
ADD CONSTRAINT fact_lesson_views_lesson_id_fkey FOREIGN KEY (lesson_id) REFERENCES core.dim_lesson(lesson_id);
|
||||||
|
|
||||||
|
|
||||||
|
--
|
||||||
|
-- TOC entry 2324 (class 2606 OID 25888)
|
||||||
|
-- Name: fact_lesson_views fact_lesson_views_user_id_fkey; Type: FK CONSTRAINT; Schema: core; Owner: dsolovianov
|
||||||
|
--
|
||||||
|
|
||||||
|
ALTER TABLE ONLY core.fact_lesson_views
|
||||||
|
ADD CONSTRAINT fact_lesson_views_user_id_fkey FOREIGN KEY (user_id) REFERENCES core.dim_user(user_id);
|
||||||
|
|
||||||
|
|
||||||
|
-- Completed on 2026-01-14 21:29:24
|
||||||
|
|
||||||
|
--
|
||||||
|
-- PostgreSQL database dump complete
|
||||||
|
--
|
||||||
|
|
||||||
Reference in New Issue
Block a user