MongoDB

语法
db.文档名称.find().pretty()
多个键(key)语法，每个键(key)以逗号隔开

db.col.find({key1:value1, key2:value2}).pretty()
实例
db.col.find({"by":"菜鸟教程", "title":"MongoDB 教程"}).pretty()
{

    "_id" : ObjectId("56063f17ade2f21f36b03133"),
    "title" : "MongoDB 教程",
    "description" : "MongoDB 是一个 Nosql 数据库",
    "by" : "菜鸟教程",
    "url" : "http://www.runoob.com",
    "tags" : [
            "mongodb",
            "database",
            "NoSQL"
    ],
    "likes" : 100

}