25 lines
No EOL
750 B
SQL
25 lines
No EOL
750 B
SQL
CREATE TABLE IF NOT EXISTS users(
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user_id INTEGER PRIMARY KEY,
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name TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS books(
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book_id INTEGER PRIMARY KEY,
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book_title TEXT NOT NULL,
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book_description TEXT,
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book_creation_date INT NOT NULL,
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author_id INTEGER NOT NULL,
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FOREIGN KEY (author_id) REFERENCES users(user_id) ON DELETE CASCADE
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);
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CREATE TABLE IF NOT EXISTS chapters(
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chapter_id INTEGER PRIMARY KEY,
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chapter_title TEXT NOT NULL,
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chapter_text TEXT NOT NULL,
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chapter_creation_date INT NOT NULL,
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book_id INTEGER NOT NULL,
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author_id INTEGER NOT NULL,
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FOREIGN KEY (book_id) REFERENCES books(book_id) ON DELETE CASCADE,
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FOREIGN KEY (author_id) REFERENCES users(user_id) ON DELETE CASCADE
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); |