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64 lines
2.1 KiB
SQL
64 lines
2.1 KiB
SQL
create database case_2_ecom character set utf8;
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use case_2_ecom;
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CREATE TABLE users (
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user_id INT PRIMARY KEY,
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user_name VARCHAR(100) COMMENT '用户名',
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user_email VARCHAR(100) COMMENT '用户邮箱',
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registration_date DATE COMMENT '注册日期',
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user_country VARCHAR(100) COMMENT '用户国家'
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) COMMENT '用户信息表';
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CREATE TABLE products (
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product_id INT PRIMARY KEY,
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product_name VARCHAR(100) COMMENT '商品名称',
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product_price FLOAT COMMENT '商品价格'
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) COMMENT '商品信息表';
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CREATE TABLE orders (
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order_id INT PRIMARY KEY,
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user_id INT,
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product_id INT,
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quantity INT COMMENT '数量',
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order_date DATE COMMENT '订单日期',
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FOREIGN KEY (user_id) REFERENCES users(user_id),
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FOREIGN KEY (product_id) REFERENCES products(product_id)
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) COMMENT '订单信息表';
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INSERT INTO users (user_id, user_name, user_email, registration_date, user_country) VALUES
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(1, 'John', 'john@gmail.com', '2020-01-01', 'USA'),
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(2, 'Mary', 'mary@gmail.com', '2021-01-01', 'UK'),
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(3, 'Bob', 'bob@gmail.com', '2020-01-01', 'USA'),
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(4, 'Alice', 'alice@gmail.com', '2021-01-01', 'UK'),
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(5, 'Charlie', 'charlie@gmail.com', '2020-01-01', 'USA'),
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(6, 'David', 'david@gmail.com', '2021-01-01', 'UK'),
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(7, 'Eve', 'eve@gmail.com', '2020-01-01', 'USA'),
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(8, 'Frank', 'frank@gmail.com', '2021-01-01', 'UK'),
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(9, 'Grace', 'grace@gmail.com', '2020-01-01', 'USA'),
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(10, 'Helen', 'helen@gmail.com', '2021-01-01', 'UK');
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INSERT INTO products (product_id, product_name, product_price) VALUES
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(1, 'iPhone', 699),
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(2, 'Samsung Galaxy', 599),
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(3, 'iPad', 329),
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(4, 'Macbook', 1299),
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(5, 'Apple Watch', 399),
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(6, 'AirPods', 159),
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(7, 'Echo', 99),
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(8, 'Kindle', 89),
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(9, 'Fire TV Stick', 39),
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(10, 'Echo Dot', 49);
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INSERT INTO orders (order_id, user_id, product_id, quantity, order_date) VALUES
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(1, 1, 1, 1, '2022-01-01'),
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(2, 1, 2, 1, '2022-02-01'),
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(3, 2, 3, 2, '2022-03-01'),
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(4, 2, 4, 1, '2022-04-01'),
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(5, 3, 5, 2, '2022-05-01'),
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(6, 3, 6, 3, '2022-06-01'),
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(7, 4, 7, 2, '2022-07-01'),
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(8, 4, 8, 1, '2022-08-01'),
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(9, 5, 9, 2, '2022-09-01'),
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(10, 5, 10, 3, '2022-10-01');
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