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homework, pet project DE Dmitry_Medvedev #1

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dmitry_medvedev wants to merge 266 commits from md_branch into main
pull from: md_branch
merge into: dmitry_medvedev:main
Conversation 23 Commits 266 Files Changed 192
+27 -28
1 changed files with 27 additions and 28 deletions
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vberetar/postgresql/dml.sql
+27 -28
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@@ -1,33 +1,32 @@
INSERT INTO users (id, name, age, email, country, is_active, created_at)
VALUES (1, 'Alice', 25, 'alice@example.com', 'US', true, '2024-01-10 10:00:00'),
(2, 'Bob', 30, 'bob@example.com', 'UK', true, '2024-02-05 09:30:00'),
(3, 'Carol', 27, 'carol@example.com', 'US', false, '2024-03-01 15:20:00'),
(4, 'Diana', 22, 'diana@GMAIL.com', 'US', true, '2024-01-12 08:15:00'),
(5, 'Evan', 35, 'EVAN@example.com', 'UK', true, '2024-01-18 19:40:00'),
(6, 'Farida', 29, 'farida@example.com', 'KZ', true, '2024-02-20 11:05:00'),
(7, 'George', 31, 'george+test@example.com', 'US', true, '2024-03-05 16:45:00'),
(8, 'Helen', 24, NULL, 'UK', false, '2024-03-06 08:20:00'),
(9, 'Ivan', 26, 'ivan@example.com', 'RU', true, '2024-01-11 14:30:00'),
(10, 'Julia', 28, 'julia@example.com', 'US', true, '2024-03-07 18:05:00');
INSERT INTO users (name, age, email, country, is_active, created_at)
VALUES ('Alice', 25, LOWER('alice@example.com'), 'US', true, '2024-01-10 10:00:00'),
('Bob', 30, LOWER('bob@example.com'), 'UK', true, '2024-02-05 09:30:00'),
('Carol', 27, LOWER('carol@example.com'), 'US', false, '2024-03-01 15:20:00'),
('Diana', 22, LOWER('diana@GMAIL.com'), 'US', true, '2024-01-12 08:15:00'),
('Evan', 35, LOWER('EVAN@example.com'), 'UK', true, '2024-01-18 19:40:00'),
('Farida', 29, LOWER('farida@example.com'), 'KZ', true, '2024-02-20 11:05:00'),
('George', 31, LOWER('george+test@example.com'), 'US', true, '2024-03-05 16:45:00'),
('Ivan', 26, LOWER('ivan@example.com'), 'RU', true, '2024-01-11 14:30:00'),
('Julia', 28, LOWER('julia@example.com'), 'US', true, '2024-03-07 18:05:00');
INSERT INTO products (id, name, category, price, in_stock)
VALUES (1, 'iPhone 15', 'Электроника', 80000, true),
(2, 'Kindle', 'Электроника', 15000, true),
(3, 'Кроссовки Nike', 'Одежда', 9000, true),
(4, 'Кроссовки NoName', 'Одежда', 3000, false),
(5, 'Наушники Pro', 'Электроника', 12000, true),
(6, 'Фитнес‑браслет', 'Гаджеты', 6000, true),
(7, 'Подарочная карта', 'Сервисы', 1000, true);
INSERT INTO products (name, category, price, in_stock)
VALUES ('iPhone 15', 'Электроника', 80000, true),
('Kindle', 'Электроника', 15000, true),
('Кроссовки Nike', 'Одежда', 9000, true),
('Кроссовки NoName', 'Одежда', 3000, false),
('Наушники Pro', 'Электроника', 12000, true),
('Фитнес‑браслет', 'Гаджеты', 6000, true),
('Подарочная карта', 'Сервисы', 1000, true);
INSERT INTO orders (id, user_id, order_date, status)
VALUES (1, 1, '2025-01-10 12:00:00', 'paid'),
(2, 3, '2025-01-12 09:30:00', 'cancelled'),
(3, 1, '2025-01-15 18:20:00', 'paid'),
(4, 2, '2025-01-20 11:05:00', 'created'),
(5, 4, '2025-02-01 17:45:00', 'paid'),
(6, 5, '2025-02-10 10:10:00', 'refunded'),
(7, 7, '2025-03-01 09:00:00', 'paid'),
(8, 9, '2025-03-05 19:30:00', 'paid');
INSERT INTO orders (user_id, order_date, status)
VALUES (1, '2025-01-10 12:00:00', 'paid'),
(3, '2025-01-12 09:30:00', 'cancelled'),
(1, '2025-01-15 18:20:00', 'paid'),
(2, '2025-01-20 11:05:00', 'created'),
(4, '2025-02-01 17:45:00', 'paid'),
(5, '2025-02-10 10:10:00', 'refunded'),
(7, '2025-03-01 09:00:00', 'paid'),
(9, '2025-03-05 19:30:00', 'paid');
INSERT INTO order_items (order_id, product_id, quantity, price_at_purchase)
VALUES (1, 1, 1, 78000),