7 lines
355 B
SQL
7 lines
355 B
SQL
CREATE TABLE test_category (
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id SERIAL PRIMARY KEY,
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name VARCHAR(100) NOT NULL, -- "TOEIC", "IELTS Academic", "HSK 1"...
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slug VARCHAR(100) UNIQUE -- "toeic", "ielts", "hsk-1"
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);
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ALTER TABLE test ADD COLUMN category_id INT REFERENCES test_category(id); |