ora-00911invalid character,崩溃了，总是错误呢

Question

create table employee
(
id number(4)  primary key,
name varchar2(10),
birthday number(30),
salary number(10)
);
select * from employee;
drop table employee;
create sequence  employee_id_seq      start with 1000  increment by 1;
drop   sequence   employee_id_seq;
insert into employee values(
employee_id_seq.nextval,
'wangbaojun',
'19800102',
'3000'，
)；

Answer 1

insert的sql 逗号和分号写成全角的了