9 lines
241 B
SQL
9 lines
241 B
SQL
CREATE TABLE post_category
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(
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post_id INT NOT NULL,
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category_id INT NOT NULL,
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PRIMARY KEY (post_id, category_id)
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);
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COMMENT ON COLUMN post_category.post_id IS '文章ID';
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COMMENT ON COLUMN post_category.category_id IS '分类ID'; |