[raydx]

Why 2 tables of items? That sucks.

Use owner and ownertype field.

Example:

#define ITEM_OWNER_TYPE_GROUND 1
#define ITEM_OWNER_TYPE_PLAYER 2
#define ITEM_OWNER_TYPE_VEHICLE 3

Item[itemid][item_owner_type] = ITEM_OWNER_TYPE_PLAYER;
Item[itemid][item_owner] = player DB id;