How to create a table with identity column?

• create table my_table (my_id int identity (1,1),first_name       varchar(20),last_name varchar(30));
• Above command creat table my_table with my_id identity column
• squence or identitiy start with 1 and also increamented value by 1 each and every insertion operation on table .
• this identity column vaue is forward only .