mongo list databases

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

Previous wordsThis article will describe in detail a web-based MONGODB database management tool developed with Nodejs mongo-expressInstallationFirst, the global installation of the Mongo-express packageNPM install-g mongo-expressNext, use the

In addition to the documentation in the MongoDB Manual, the MONGO Shell provides some additional information in I TS "Online" Help system. This document provides a overview of accessing this Help information.Command line HelpThe list of options and

================================mongo Create a user and create a database ===========================1. MongoDBPs-ef | grep MongodNormal User startup modeMongod--config/etc/mongod.confAuthentication User startup

Mongo management and mongo management toolsMongo Management Based on ipv3.0, and 2.x versions may not be the same in some places.Install source (ubuntu) echo "deb http://repo.mongodb.org/apt/ubuntu "$(lsb_release -sc)"/mongodb-org/3.0 multiverse" |

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 successfully running MONGO, the command line mode is entered, and the test database is selected by default MONGO1. Use the DB command to print out the currently selected database:> DBTest　　2. Use the show DBS command to print out a list of

Mongo client Common commands 1. database related commands 1showdbs list all databases 2usememo Use Database memo. Even if the database does not exist, it can be executed, but the database will not be created immediately. The database will be created

This series wants to share with you the following chapters (I will continue to update the (^ω^)):1. One of the MONGO 3.4 Shard Cluster Series: A brief discussion on shard cluster2, MONGO 3.4 Shard Cluster Series two: Building a shard cluster--Hash

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