1、写SQL语句
a、create database phone_book;
use phone_book;
b、create table info (id char,name char(8),tel char(11),sex char(2));
c、insert into info values ('1','艾琳','18702550410','女');
insert into info values ('2','老一','18702550411','男');
insert into info values ('3','老二','18202440010','男');
insert into info values ('4','老三','13906550410','男');
insert into info values ('5','老四','18202558910','男');
insert into info values ('6','老五','18272550410','男');
insert into info values ('7','老六','18702550410','男');
insert into info values ('8','小花','13909550410','女');
insert into info values ('9','小林','13922550410','女');
insert into info values ('10','冰冰','18207550410','女');
2
