can t connect to mongodb

One: Concept The popular copy set is to use multiple machines for the same data asynchronous synchronization, so that multiple machines have multiple copies of the same data, and when the main library when it is off without user intervention,

Environment: Linux: Redhat or CentOS MONGODB installation mode 1: Install MONGODB by configuring Yum, Enterprise Edition and generic version: Not much, just look at the document [root@dominic5 ~]# Ping www.baidu.com PING www.a.shifen.com (180.97.33.7

MongoDB database introduction & installation configuration, mongodb DatabaseApsaradb for MongoDB is a distributed file storage-based open-source NoSQL database system written in C ++. It adds more nodes under high loads, this service guarantees

MongoDB is a scalable, high-performance open source document (document-oriented) database. It is developed in C + +, supports complex data types and powerful query language, and provides most of the functions of relational databases. MongoDB has

In the age of big data, traditional relational databases need to be able to have higher services to solve the challenges of high concurrency and read-write, efficient storage of massive data, high scalability and high availability. But it is because

Install mongodb rpm package and mongodbrpm packageMonfoDB is an open-source document database that provides common performance, high availability, and automatic scaling. The record in MongoDB is a document, which is a structure consisting of fields

"Goal": This article will show you how to access MongoDB in C #, complete common database operations tasks, and also introduce MONGODB clients (command-line working mode) and some basic commands in the form of real combat."description": What is

Used MySQL database, the whole day is to write a large heap of SQL statements, to remember that these SQL keywords are going to take a few days, write the eggs are exploded, when the contact to MongoDB, found not to write SQL, instantly feel tall on,

1. What is MongoDB?It is a NoSQL database between relational database and non-relational database, written in C + +, is a high-performance document-oriented universal database which integrates agility, scalability and extensibility.2. Why use

********************************** Connect to the MongoDB database * * ************************* format ("mongodb: username: password @ address: Specifies the database by default on the port ", parameter) $ connnewMongo (); can be abbreviated as $