Hello everyone, I have "Posts" table in my model. "Posts" table have these columns : ID , title , image , category , description , body , author , created_date. I want to extend my "Posts" table by adding a column "tags". I want my php website to compare one post with others by "tags". Is it this option good? or I must make a different table with foreign keys and tags. Please anwser me if you can the mySQL queries and the right database Model. Thenks