Daytrading / scalping

Hi. I’m curious, can anyone tell me the definition of scalping, as opposed to day trading? On my demo account, I tend to be in a trade for between 15 minutes and 4 hours, I’d like to know if I’m doing something which would be “frowned upon” in real trading?
Thanks

Right from babypips Forexpedia (above)

http://www.babypips.com/forexpedia/index.php/Scalping

http://www.babypips.com/forexpedia/index.php/Day_Trading

http://www.babypips.com/forexpedia/index.php/Swing_Trading

Topgun

Thanks for that!