I build an sql designer website. Is there a...

So I started this project for final work in college (english is bad, I know), got it online and I plan to post the link here soon to get your opinions on it. I got the idea to build the designer myself since I absolutely hated the options I found on google. So what I ask you guys is this - am I the only one not satisfied with existing tools to graphically design sql databases? Is there a point in trying to promote my site and getting people on it, or is there no need for another app on this fiel