14. // 11/10 TOP10 > db.user_charge.find({date:"2010-11-10"}) .sort({totalCharge:-1}).limit(10).forEach(printjson) { "_id" : "2010-11-10+7777+Charge", "date" : "2010-11-10", "lastUpdate" : "2010-11-10", "totalCharge" : 10000, "userId" : ”7777", "actionType" : "Charge", "boughtItem" : { " EX" : 13, " +6000" : 3, " PRO" : 20 } }{… 15. > db.daily_charge.find({date:"2010-11-10",T:"all"}) .limit(10).fo