I'm working on a web app, and it part of it, there is a very simple database-driven file/document manager. As a file manager, there is the possibility of sub-folders. So in the DB, I have the ...

So, a friend of mine and I are tagging up to learn a little with php and mysql. Php is coming along swimmingly, but the mysql is a bit of a challenge right now. Part of what we're working on now is ...

MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table. If you try to insert a duplicate row with a ...