1) priamry key in sql
2) not null in sql
3) datatype in sql
4) AUTO_INCREMENT in sql
in this example you learn the this thing and see following example:-
example:-
CREATE TABLE w67fe_uknowva_authorized_tokens (
`id` INT NOT NULL AUTO_INCREMENT,
`text_name` VARCHAR(50) NOT NULL,
`last_name` varchar(50) NOT NULL,
`father_name` VARCHAR(50),
`craeate_date` DATE,
PRIMARY KEY (id)
);
Thanks you for commenting your questions. I will see question and respond you.