
复制CREATE TABLE `user_info` ( `id` BIGINT(20) NOT NULL AUTO_INCREMENT,该优
`name` VARCHAR(50) NOT NULL DEFAULT , `age` INT(11) DEFAULT NULL, PRIMARY KEY (`id`), KEY `name_index` (`name`) )ENGINE = InnoDB DEFAULT CHARSET = utf8; INSERT INTO user_info (name, age) VALUES (xys, 20); INSERT INTO user_info (name, age) VALUES (a, 21); INSERT INTO user_info (name, age) VALUES (b, 23); INSERT INTO user_info (name, age) VALUES (c, 50); INSERT INTO user_info (name, age) VALUES (d, 15); INSERT INTO user_info (name, age) VALUES (e, 20); INSERT INTO user_info (name, age) VALUES (f, 21); INSERT INTO user_info (name, age) VALUES (g, 23); INSERT INTO user_info (name, age) VALUES (h, 50); INSERT INTO user_info (name, age) VALUES (i, 15); CREATE TABLE `order_info` ( `id` BIGINT(20) NOT NULL AUTO_INCREMENT, `user_id` BIGINT(20) DEFAULT NULL, `product_name` VARCHAR(50) NOT NULL DEFAULT , `productor` VARCHAR(30) DEFAULT NULL, PRIMARY KEY (`id`), KEY `user_product_detail_index` (`user_id`, `product_name`, `productor`) )ENGINE = InnoDB DEFAULT CHARSET = utf8; INSERT INTO order_info (user_id, product_name, productor) VALUES (1, p1, WHH); INSERT INTO order_info (user_id, product_name, productor) VALUES (1, p2, WL); INSERT INTO order_info (user_id, product_name, productor) VALUES (1, p1, DX); INSERT INTO order_info (user_id, product_name, productor) VALUES (2, p1, WHH); INSERT INTO order_info (user_id, product_name, productor) VALUES (2, p5, WL); INSERT INTO order_info (user_id, product_name, productor) VALUES (3, p3, MA); INSERT INTO order_info (user_id, product_name, productor) VALUES (4, p1, WHH); INSERT INTO order_info (user_id, product_name, productor) VALUES (6, p1, WHH); INSERT INTO order_info (user_id, product_name, productor) VALUES (9, p8, TE); 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.
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