first commit
This commit is contained in:
hdvt
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INSERT INTO products (product_name, category, price) VALUES
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('Ноутбук', 'Электроника', 80000),
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('Мышь', 'Электроника', 1500),
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('Стол', 'Мебель', 12000);
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;-- -. . -..- - / . -. - .-. -.--
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drop table if exists clients;
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;-- -. . -..- - / . -. - .-. -.--
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drop table if exists "order" cascade;
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;-- -. . -..- - / . -. - .-. -.--
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create table products(
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product_id serial primary key,
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product_name text,
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price decimal(2, 10),
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category text
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);
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;-- -. . -..- - / . -. - .-. -.--
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drop database if exists solution;
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;-- -. . -..- - / . -. - .-. -.--
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drop table if exists clients cascade;
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;-- -. . -..- - / . -. - .-. -.--
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drop table if exists products cascade;
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;-- -. . -..- - / . -. - .-. -.--
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drop table if exists orders cascade;
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;-- -. . -..- - / . -. - .-. -.--
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create table clients(
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client_id serial primary key,
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full_name text,
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email text
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);
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;-- -. . -..- - / . -. - .-. -.--
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create table products(
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product_id serial primary key,
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product_name text,
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price decimal(10, 2),
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category text
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);
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;-- -. . -..- - / . -. - .-. -.--
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create table orders(
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order_id serial primary key,
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count integer,
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date timestamp default now(),
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client_id integer references clients(client_id),
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product_id integer references products(product_id)
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);
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;-- -. . -..- - / . -. - .-. -.--
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INSERT INTO clients (full_name, email) VALUES
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('Алексеев Алексей', 'alex@mail.ru'),
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('Борисова Мария', 'maria@yandex.ru');
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;-- -. . -..- - / . -. - .-. -.--
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INSERT INTO products (product_name, category, price) VALUES
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('Ноутбук', 'Электроника', 80000.00),
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('Мышь', 'Электроника', 1500.00),
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('Стол', 'Мебель', 12000.00);
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;-- -. . -..- - / . -. - .-. -.--
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INSERT INTO orders (client_id, product_id, count) VALUES
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(1, 1, 1), -- Алексей купил 1 ноутбук
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(1, 2, 2), -- Алексей купил 2 мышки
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(2, 3, 1);
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;-- -. . -..- - / . -. - .-. -.--
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select
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c.full_name as "ФИО",
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count(o) as "кол-во"
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from clients c
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left join orders o on c.client_id = o.client_id
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group by c.full_name;
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;-- -. . -..- - / . -. - .-. -.--
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create view idk as select
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c.full_name as "ФИО",
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p.product_name as "Продукт",
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p.price as "цена",
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o.count as "кол-во",
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o.date as "дата"
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from orders o
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left join clients c on c.client_id = o.client_id
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left join products p on p.product_id = o.product_id;
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;-- -. . -..- - / . -. - .-. -.--
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create database solution;
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;-- -. . -..- - / . -. - .-. -.--
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create database solution1;
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;-- -. . -..- - / . -. - .-. -.--
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create table cabinets(
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cabinet_id serial primary key,
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cabinet_number integer not null
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--можно добавить ответственного за кабинет
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);
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;-- -. . -..- - / . -. - .-. -.--
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create table clients(
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client_id serial primary key,
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full_name text not null,
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birth_date timestamp not null
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);
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;-- -. . -..- - / . -. - .-. -.--
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drop database if exists solution11;
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;-- -. . -..- - / . -. - .-. -.--
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create table doctors(
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doctor_id serial primary key,
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full_name text not null,
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specialisation text not null
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);
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;-- -. . -..- - / . -. - .-. -.--
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create database solution11;
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;-- -. . -..- - / . -. - .-. -.--
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create table if not exists doctors(
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doctor_id serial primary key,
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full_name text not null,
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specialisation text not null
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);
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;-- -. . -..- - / . -. - .-. -.--
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create table if not exists cabinets(
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cabinet_id serial primary key,
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cabinet_number integer not null
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--можно добавить ответственного за кабинет
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);
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;-- -. . -..- - / . -. - .-. -.--
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create table if not exists clients(
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client_id serial primary key,
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full_name text not null,
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birth_date timestamp not null
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);
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;-- -. . -..- - / . -. - .-. -.--
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create table if not exists appointments(
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appointment_id serial primary key,
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appointment_date timestamp not null,
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diagnosis text,
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client_id integer references clients(client_id),
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doctor_id integer references doctors(doctor_id),
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cabinet_id integer references cabinets(cabinet_id)
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);
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;-- -. . -..- - / . -. - .-. -.--
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INSERT INTO doctors (full_name, specialisation) VALUES
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('Хаус Г.Д.', 'Диагност'),
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('Быков А.Е.', 'Терапевт');
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;-- -. . -..- - / . -. - .-. -.--
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INSERT INTO cabinets (cabinet_number) VALUES (101), (102);
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;-- -. . -..- - / . -. - .-. -.--
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INSERT INTO clients (full_name, birth_date) VALUES
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('Иванов И.И.', '1990-01-01'),
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('Петров П.П.', '1985-05-05');
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;-- -. . -..- - / . -. - .-. -.--
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INSERT INTO appointments (appointment_date, diagnosis, client_id, doctor_id, cabinet_id) VALUES
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('2023-12-01 10:00:00', 'Волчанка', 1, 1, 1),
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('2023-12-01 11:00:00', 'Омикрон', 2, 1, 2);
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;-- -. . -..- - / . -. - .-. -.--
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select
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d.full_name as "ФИО врача",
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d.specialisation as "специальность",
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count(a.doctor_id) as "кол-во приемов"
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from doctors d
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left join appointments a on d.doctor_id = a.doctor_id
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group by d.full_name, d.specialisation;
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;-- -. . -..- - / . -. - .-. -.--
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create view idk as
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select
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d.full_name as "ФИО врача",
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c.full_name as "ФИО клиента",
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cab.cabinet_number as "номер кабинета",
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a.appointment_date as "Дата приема"
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from appointments a
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join doctors d on a.doctor_id = d.doctor_id
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join clients c on a.client_id = c.client_id
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join cabinets cab on a.cabinet_id = cab.cabinet_id;
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;-- -. . -..- - / . -. - .-. -.--
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select * from idk;
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@@ -0,0 +1,63 @@
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drop database if exists solution;
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create database solution;
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drop table if exists clients cascade;
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drop table if exists products cascade ;
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drop table if exists orders cascade ;
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\c solution;
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create table clients(
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client_id serial primary key,
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full_name text,
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email text
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);
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create table products(
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product_id serial primary key,
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product_name text,
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price decimal(10, 2),
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category text
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);
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create table orders(
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order_id serial primary key,
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count integer,
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date timestamp default now(),
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client_id integer references clients(client_id),
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product_id integer references products(product_id)
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);
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-- я скопировал данные, таблицы сам составил
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INSERT INTO clients (full_name, email) VALUES
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('Алексеев Алексей', 'alex@mail.ru'),
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('Борисова Мария', 'maria@yandex.ru');
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INSERT INTO products (product_name, category, price) VALUES
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('Ноутбук', 'Электроника', 80000.00),
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('Мышь', 'Электроника', 1500.00),
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('Стол', 'Мебель', 12000.00);
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INSERT INTO orders (client_id, product_id, count) VALUES
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(1, 1, 1), -- Алексей купил 1 ноутбук
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(1, 2, 2), -- Алексей купил 2 мышки
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(2, 3, 1);
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select
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c.full_name as "ФИО",
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count(o) as "кол-во"
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from clients c
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left join orders o on c.client_id = o.client_id
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group by c.full_name;
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create view idk as select
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c.full_name as "ФИО",
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p.product_name as "Продукт",
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p.price as "цена",
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o.count as "кол-во",
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o.date as "дата"
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from orders o
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left join clients c on c.client_id = o.client_id
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left join products p on p.product_id = o.product_id;
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select * from idk;
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@@ -0,0 +1,79 @@
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-- Билет №3. Предметная область: «Поликлиника»
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-- Дано (исходные атрибуты):
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-- ФИО_врача, Специальность, Номер_кабинета, ФИО_пациента, Дата_рождения_пациента, Дата_приема, Диагноз
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--
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-- Задания:
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--
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-- Привести к 3НФ.
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--
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-- Создать и заполнить таблицы.
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--
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\c solution11;
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create table if not exists doctors(
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doctor_id serial primary key,
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full_name text not null,
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specialisation text not null
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);
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create table if not exists cabinets(
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cabinet_id serial primary key,
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cabinet_number integer not null
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--можно добавить ответственного за кабинет
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);
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create table if not exists clients(
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client_id serial primary key,
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full_name text not null,
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birth_date timestamp not null
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);
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create table if not exists appointments(
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appointment_id serial primary key,
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appointment_date timestamp not null,
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diagnosis text,
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client_id integer references clients(client_id),
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doctor_id integer references doctors(doctor_id),
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cabinet_id integer references cabinets(cabinet_id)
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);
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INSERT INTO doctors (full_name, specialisation) VALUES
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('Хаус Г.Д.', 'Диагност'),
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('Быков А.Е.', 'Терапевт'); -- У Быкова не будет приемов
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INSERT INTO cabinets (cabinet_number) VALUES (101), (102);
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INSERT INTO clients (full_name, birth_date) VALUES
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('Иванов И.И.', '1990-01-01'),
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('Петров П.П.', '1985-05-05');
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INSERT INTO appointments (appointment_date, diagnosis, client_id, doctor_id, cabinet_id) VALUES
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('2023-12-01 10:00:00', 'Волчанка', 1, 1, 1),
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('2023-12-01 11:00:00', 'Омикрон', 2, 1, 2);
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select
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d.full_name as "ФИО врача",
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d.specialisation as "специальность",
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count(a.doctor_id) as "кол-во приемов"
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from doctors d
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left join appointments a on d.doctor_id = a.doctor_id
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group by d.full_name, d.specialisation;
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create view idk as
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select
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d.full_name as "ФИО врача",
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c.full_name as "ФИО клиента",
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cab.cabinet_number as "номер кабинета",
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a.appointment_date as "Дата приема"
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from appointments a
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join doctors d on a.doctor_id = d.doctor_id
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join clients c on a.client_id = c.client_id
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join cabinets cab on a.cabinet_id = cab.cabinet_id;
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select * from idk;
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