db.exampledb.find().forEach(printjson);

db.exampledb.find({Age:{$gt:30,$lte:60}},{_id:0,name:1,Age:1}).forEach(printjson);

db.exampledb.find({Age:{$gt:30,$lte:60},occupation:{$regex:/data/}},{_id:0,name:1,Age:1}).forEach(printjson);

db.exampledb.find({Age:{$gte:40}},{_id:0,name:1,Age:1}).count();

db.exampledb.aggregate([
	{$group:{_id:0 , minAge:{$min:"$Age"}, maxAge:{$max:"$Age"} }},
]);

db.exampledb.aggregate([
	{$match:{Age:{$gte:30,$lt:70}}},
	{$group:{_id: "$occupation", count:{$sum:1} }},
	{$sort:{count:-1}},
	{$match:{count:{$lt:100}}}
]);

db.exampledb.aggregate([ 
	{$unwind:"$db_examples"},
	{$group:{_id:"$db_examples",
	count:{$sum:1}}}, 
	{$sort:{count:-1}} 
]);

db.exampledb.find().forEach(function(saveTo){db.exampledb_copy.insert(saveTo);});

db.exampledb_copy.insert({name:"Binyamin", Age:25, occupation: "student"});

db.exampledb_copy.drop();

load("c:/Users/eyal/Mongodb data/mongodb_example_collection.js");

mongoexport --db test --collection exampledb --csv --fields name,Age,email,URL,db_examples,occupation --out outfile.csv