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32 lines
757 B
32 lines
757 B
CREATE TABLE account (
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id SERIAL PRIMARY KEY,
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name VARCHAR(48) UNIQUE NOT NULL,
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created TIMESTAMP NOT NULL
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);
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CREATE TABLE balance (
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id INT NOT NULL PRIMARY KEY,
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gold NUMERIC(16,2) NOT NULL,
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FOREIGN KEY (id) REFERENCES account (id)
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);
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CREATE TABLE transaction (
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id SERIAL PRIMARY KEY,
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account INT NOT NULL,
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withdrawal NUMERIC(16,2),
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deposit NUMERIC(16,2),
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timestamp TIMESTAMP NOT NULL,
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FOREIGN KEY (account) REFERENCES account (id)
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);
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CREATE TABLE transfer (
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id SERIAL PRIMARY KEY,
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from_id INT NOT NULL,
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to_id INT NOT NULL,
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gold NUMERIC(16,2) NOT NULL,
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timestamp TIMESTAMP NOT NULL,
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FOREIGN KEY (from_id) REFERENCES account (id),
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FOREIGN KEY (to_id) REFERENCES account (id)
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);
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