（不用客气，叫我柯南）重建数据表需要用到命令
INSERT users(userName,password,age,sex) VALUES('A',md5('A'),43,0);
INSERT users(userName,password,age,sex) VALUES('B',md5('B'),34,1);
INSERT users(userName,password,age,sex) VALUES('C',md5('C'),20,0);
INSERT users(userName,password,age,sex) VALUES('D',md5('D'),48,0);
INSERT users(userName,password,age,sex) VALUES('E',md5('E'),18,0);
INSERT users(userName,password,age,sex) VALUES('F',md5('F'),24,1);
INSERT users(userName,password,age,sex) VALUES('G',md5('G'),33,0);
INSERT users(userName,password,age,sex) VALUES('H',md5('H'),20,1);
INSERT users(userName,password,age,sex) VALUES('I',md5('I'),23,0);
INSERT users(userName,password,age,sex) VALUES('J',md5('J'),15,0);
INSERT users(userName,password,age,sex) VALUES('K',md5('K'),45,1);
INSERT users(userName,password,age,sex) VALUES('L',md5('L'),37,0);
INSERT users(userName,password,age,sex) VALUES('M',md5('M'),17,0);
INSERT users(userName,password,age,sex) VALUES('N',md5('N'),28,0);
INSERT users(userName,password,age,sex) VALUES('O',md5('O'),21,1);
INSERT users(userName,password,age,sex) VALUES('P',md5('P'),25,0);
INSERT users(userName,password,age,sex) VALUES('Q',md5('Q'),31,1);
INSERT users(userName,password,age,sex) VALUES('R',md5('R'),14,0);
INSERT users(userName,password,age,sex) VALUES('S',md5('S'),20,0);
