How to script stats wod

Hello, please first of all excuse my English of a low level, I am a young wanting débug developer statistics to draenor such as the versatility or multiple strikes(typings) (statistics wod) when I equip an item, I receive none of these statistics, you could direct me to discover where I could begin possible works on the core or the dbc It would be very pleasant from you to help me in this approach(initiative), I am slowed down by my knowledge concerning the hierarchy of TrinityCore