mongo list collections

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 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,

To understand the terms of MongoDB, you can compare it to a relational database:　　　　　　　　　　　　First, the document　　OverviewThe document is the core concept of MongoDB and is the basic unit of data, very similar to a row in a relational database. In

As the last article in the series, I have to talk about the C # driver's operations on mongodb. Currently, there are two types of drivers: the official driver and the samus driver, but I personally like the latter, it is quite convenient because it

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

Documentation overviewThe document is the core concept of MongoDB and is the basic unit of data, very similar to a row in a relational database. In MongoDB, a document is represented as an ordered set of key-value pairs. MongoDB uses JavaScript

MongoDB stores BSON documents, i.e. data records, in collections; The collections in databases.DatabasesIn MongoDB, databases hold collections of documents.To select a database to use, in the MONGO Shell, issue the use statement, as in the

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