29 lines
724 B
SQL
29 lines
724 B
SQL
-- Create questions table
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CREATE TABLE IF NOT EXISTS questions (
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id SERIAL PRIMARY KEY,
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title TEXT NOT NULL,
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content TEXT NOT NULL
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);
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-- Create tags table
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CREATE TABLE IF NOT EXISTS tags (
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id SERIAL PRIMARY KEY,
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label TEXT UNIQUE NOT NULL
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);
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-- Create question_tag table
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CREATE TABLE IF NOT EXISTS question_tag (
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question_id INT REFERENCES questions(id),
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tag_id INT REFERENCES tags(id),
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PRIMARY KEY (question_id, tag_id),
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FOREIGN KEY (question_id) REFERENCES questions(id),
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FOREIGN KEY (tag_id) REFERENCES tags(id)
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);
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-- Create answers table
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CREATE TABLE IF NOT EXISTS answers (
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id SERIAL PRIMARY KEY,
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question_id INT REFERENCES questions(id),
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content TEXT NOT NULL
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);
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