gadasin/requests.sql

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SQL
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--- Зарегистрировать нового пользователя
insert into clients (forename, surname, patronymic, age, phone_number, email)
values ('Иван', 'Иванович', 'Иванов', 22, '+71234567890', 'test@email.com');
--- Вывести доступные категории настольных игр
select name from sections;
--- Вывод названия игры и цена при условии что цена меньше 2000 руб (для незарегистрированного пользователя)
set lc_monetary to 'ru_RU.UTF-8';
select name, price
from board_games
where price::numeric < 2000;
--- Вывод самых дорогих игр с жанрами и издателями
set lc_monetary to 'ru_RU.UTF-8';
select
board_games.name as name,
genres.name as genre,
publishers.name as publisher,
board_games.price as price
from
board_games
join genres using(genre_id)
join publishers using(publisher_id)
order by
price desc
limit 10;
--- Вывод количества продаж за период
set lc_monetary to 'ru_RU.UTF-8';
select
board_games.name as name,
publishers.name as publisher,
board_games.price as price,
sum(orders_games.count) as sells
from
board_games
join publishers using(publisher_id)
join orders_games using(board_game_id)
join orders using(order_id)
where
orders.order_date between '2024-12-16' and '2024-12-20'
group by
board_games.name, publishers.name, board_games.price
order by
publishers.name