use db mongo

Java from entry to entry-database Mongo DB installation start and configuration details, from entry to entry-level mongo I. Overview After Mongo DB is downloaded, how should we install and start and configure Mongo DB? This blog will

You can write scripts for the MONGO Shell in JavaScript this manipulate data in MongoDB or perform administrative Operation. For more information about the MONGO Shell, see the Running. js files via a MONGO shell Instance on the Server SE Ction For

first, three components of the cluster:MONGOs (query routers): Queries the route, takes care of the client connection, assigns the task to shards, and then collects the results. Config server: Configures the servers, saves the metadata information

Document directory MVCC Horizontal scalability Query expression Atomicity Durability Map reduce Javascript Rest Performance Use Cases Http://www.mongodb.org/display/DOCS/Comparing+Mongo+DB+and+Couch+DB,

IntroductionThe MONGO Shell is a interactive JavaScript interface to MongoDB. You can use the MONGO Shell to query and update data as well as perform administrative operations.The MONGO Shell is a component of the MongoDB distributions. Once you has

I. Overview Mongo db After download down how we should install boot and configuration to use Mongo db, this blog will tell you about Mongo DB installation start-up and configuration detailed. Second,

Anyone who first came into contact with MongoDB was surprised that it was greedy for memory. For the reason, let me first talk about how Linux manages memory, and then how MongoDB is. When memory is used, the answer is clear. It is said that

Good memory is inferior to bad blog, record, need to use directly later. This article configured the three MongoDB in the same machine, should be put three machines, but the resources are limited, a machine will be used, the configuration of a copy

7.mongo command line run JavaScript scriptYou can manipulate the data and manage MongoDB by writing JavaScript scripts at the command line. For more information, see How to use the [Running. js files via a MONGO shell Instance on the Server] () in

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