What do you mean "Show their database name" ?
When a player joins the server, whatever name they join with is what is inserted into the database, which therefor is what's shown above their head?
Or do you mean the ID placement of the player?
[5,"<t size='1.2'><t color='#FF0000'>Air Drop Mission</t></t><br/><br/><t size='1'>A helicopter is going to drop a Supply Crate in 15 minutes! The drop-location will be transmitted soon!</t>"] remoteExec ["life_fnc_broadcast",0];