mongo shell execute command

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

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

In Heyzap and Bugsnag I've been using MongoDB for more than a year, and I found it to be a very powerful database. As with other databases, it has some flaws, but there are some things I would like someone to tell me earlier.Even if the index

---------------------------------Mongo Single-----------------------------------------------------------Mongo Installation:1. cd/usr/local/webserver/&& tar zxpf mongodb-linux-x86_64-2.0.6.tgz && mv mongodb-linux-x86_64-2.0.6 Mongodb2. Write the

This series of articles index the "Response Spring's word Wizard"Previously summary Spring Webflux Quick Start | Spring Webflux Performance Test | Spring WebClient performance testThis article sourcePerformance comparison of 1.4.4 synchronous and

The production environment uses the MONGO database.Long-coveted for the MONGO database, its high performance/open source/modeless/document-based database/... What a tempting feature, also occasionally tossing and playing, but did not make notes,

After a short essay, the installation of MongoDB can be done after the most basic database operation, the following steps to achieve your Hello world!1. Open terminal Execution Brew services start MongoDB start MongoDB service, execute MONGO open

Mongo Database InstallationFirst to Mongo's official website to download the installer: http://www.mongodb.org/, I downloaded the file name is: Mongodb-win32-x86_64-2008plus-2.6.4-signed.msiExecutes the setup program.NextAgree to the license

Mongo server cluster configuration Learning 1-master-slave replication Postedon master-slave replication is the most common and simple replication operation for MongoDB. It is often used for data backup and troubleshooting. The following figure

Mongo server cluster configuration learning the three-part MongoDB sharding mainly refers to the process of splitting the set into small blocks and separate them on different servers. Apsaradb for MongoDB supports automatic sharding to free you from