title: a Large one table with 100 column vs a lot of little tables
body: <p>I created some website which contain users,comments,videos,photos,messages and more.All of the data is in the one table which contain 100 column.I thought one table is better than more because user need just connect one table but I heard that some programmer doesnt like this method.And Can someone say me which one is better?One very large table or a lot of little tables.
  and Why I need use a lot tables?Why it is useful?Which one is fast for user?
  What is the advantages and disadvantages of large table and a lot of little tables?</p>