desc Employee;
+-----------+--------------+------+-----+---------+----------------+
| Field     | Type         | Null | Key | Default | Extra          |
+-----------+--------------+------+-----+---------+----------------+
| emp_id    | int(11)      | NO   | PRI | NULL    | auto_increment |
| emp_name  | varchar(255) | YES  |     | NULL    |                |
| salary    | double       | YES  |     | NULL    |                |
| dept_name | varchar(255) | YES  |     | NULL    |                |
+-----------+--------------+------+-----+---------+----------------+

insert into Employee(emp_name,salary,dept_name)values('sai',20,000,'development');

ERROR 1136 (21S01): Column count doesn't match value count at row 1

insert into Employee(emp_name,salary,dept_name)values('sai',20000,'development');

insert into Employee(emp_name,salary,dept_name)values('sai',20,000,'development');