Organise web portal database : <p>I wanna build a web app which will store a lot of data for each user, so I've got a question, which solution is better:</p>

<ul>
<li>create a separate database for each user</li>
<li>create one big database and in every table add a column with user id</li>
<li>?another option?</li>
</ul>

<p>Thanks!</p>
