Obviously I am new to PHP and MySQL. Currently I have a php banner rotation script which uses MySQL to store the data. My question is: I want to start implimenting more scripts, which will use a Database.
I could of course make new tables for the new applications, but would this slow proformance or speed? Being that the database is growing. Or should I have a new databse for each application?

Hope this is'nt to dumb a question. We all have to learn somewhere huh?

Any feedback would be appreciated.