CREATE DATABASE test;
use test;
CREATE TABLE student (
id int,
sno varchar(25),
name varchar(255),
sex varchar(255),
sex varchar(255),
score varchar(255)
);
INSERT INTO student VALUES (1, '001', '张三', '男', 'C1' ,'80');
INSERT INTO student VALUES (1, '001', '张三', '男', 'C1' ,'80');
INSERT INTO student VALUES (1, '002', '李四', '男', 'C2' ,'88');
SELECT * FROM student;