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可笑的曾经
发布于 2021-07-01 16:11
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1. 建表CREATE TABLE `student`(`id` int(11) NOT NULL,`name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,`age` int(11) NULL DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE) ENGINE = InnoDB CHARACTER S..