list databases; 

use ErwinDB; 

create tableName(first_name varchar(27), age int(10));

insert into tableName(first_name, age) values('Erwin',1000);

update tableName set first_name='Bob' where first_name ='Erwin'; 

select * from users where first_name ='Erwin'; 

select first_name, age from users where first_name ='Erwin'; 

delete from users where first_name ='Erwin';