Bonifatsiy
38 lines
1.2 KiB
SQL
38 lines
1.2 KiB
SQL
CREATE TABLE dsolovianov.users (
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id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
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name VARCHAR(100) NOT NULL,
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age INT,
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email VARCHAR(100),
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country VARCHAR(100),
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is_active BOOLEAN,
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created_at TIMESTAMPTZ NOT NULL
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);
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CREATE TABLE dsolovianov.products (
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id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
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name VARCHAR(100) NOT NULL,
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category VARCHAR(50),
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price DECIMAL(10,2) NOT NULL,
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in_stock BOOLEAN
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);
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CREATE TABLE dsolovianov.orders (
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id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
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user_id INT,
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order_date TIMESTAMPTZ NOT NULL,
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status VARCHAR(20),
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CONSTRAINT orders_user_fk
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FOREIGN KEY (user_id) REFERENCES dsolovianov.users(id)
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);
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CREATE TABLE dsolovianov.order_items (
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order_id INT NOT NULL,
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product_id INT NOT NULL,
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quantity INT NOT NULL CHECK (quantity > 0),
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price_at_purchase DECIMAL(10,2) NOT NULL CHECK (price_at_purchase > 0),
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CONSTRAINT order_items_pk PRIMARY KEY (order_id, product_id)
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CONSTRAINT order_items_order_fk
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FOREIGN KEY (order_id) REFERENCES dsolovianov.orders(id),
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CONSTRAINT order_items_product_fk
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FOREIGN KEY (product_id) REFERENCES dsolovianov.products(id)
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); |