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Dec 6, 2024 9:30 AM
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CREATE TABLE categories (
id bigserial NOT NULL,
"name" varchar(255) NOT NULL,
created_at timestamp NULL,
updated_at timestamp NULL,
CONSTRAINT categories_pk PRIMARY KEY (id)
);
CREATE TABLE subcategories (
id bigserial NOT NULL,
"name" varchar(255) NOT NULL,
category_id bigint NOT NULL,
created_at timestamp NULL,
updated_at timestamp NULL,
CONSTRAINT subcategories_pk PRIMARY KEY (id),
CONSTRAINT subcategories_fk_category FOREIGN KEY (category_id) REFERENCES categories (id)
);
CREATE TABLE products (
id bigserial NOT NULL,
"name" varchar(255) NOT NULL,
category_id bigint NOT NULL,
created_at timestamp NULL,
updated_at timestamp NULL,
CONSTRAINT products_pk PRIMARY KEY (id),
CONSTRAINT products_fk_category FOREIGN KEY (category_id) REFERENCES categories (id)
);INSERT INTO categories (name, created_at, updated_at) VALUES
('カテゴリー1', '2023-01-01 12:00:00', '2023-01-02 12:00:00'),
('カテゴリー2', '2023-01-03 12:00:00', '2023-01-04 12:00:00'),
('カテゴリー3', '2023-01-05 12:00:00', '2023-01-06 12:00:00'),
('カテゴリー4', '2023-01-07 12:00:00', '2023-01-08 12:00:00'),
('カテゴリー5', '2023-01-09 12:00:00', '2023-01-10 12:00:00'),
('カテゴリー6', '2023-01-11 12:00:00', '2023-01-12 12:00:00'),
('カテゴリー7', '2023-01-13 12:00:00', '2023-01-14 12:00:00'),
('カテゴリー8', '2023-01-15 12:00:00', '2023-01-16 12:00:00'),
('カテゴリー9', '2023-01-17 12:00:00', '2023-01-18 12:00:00'),
('カテゴリー10', '2023-01-19 12:00:00', '2023-01-20 12:00:00');