DROP TABLE IF EXISTS 'students'; CREATE TABLE 'students' ( 'Sid' varchar(11) NOT NULL, -- 学生ID 'Sname' varchar(20) DEFAULT NULL, -- 学生名字 'Sage' int(11) DEFAULT NULL, -- 学生年龄 PRIMARY KEY ('Sid') ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO 'students' VALUES ('s01','巧虎','18'); INSERT INTO 'studen...