database table

i need to create a database table as i’m getting an error message saying is doesn’t exist… the info below is what i need in it but i don’t know how many columns to give it. can anyone help, i’ve been searching all day for how with no luck

CREATE TABLE pd_session_language (
ID int(10) NOT NULL AUTO_INCREMENT,
user_id bigint(20) NOT NULL,
session_id varchar(300) CHARACTER SET utf8 NOT NULL,
language_id int(8) NOT NULL,
PRIMARY KEY (ID),
KEY user_id (user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci ;