digitalocean mongodb

Install MongoDB and PHP MongoDB Driver in Ubuntu 14.04 Description MongoDB is a very famous NOSQL database. The following is the installation of MongoDB in Ubuntu 14.04, as well as the configuration for PHP (driver Installation, etc.). This method is applicable to Homestead. Install

Configure MongoDB configuration items in the configuration file and back up and restore the database, mongodb backup and recoveryI. mongoDB command line startup option Configuration When mongodb is started using the command line, we can select some options to change the configuration. The specific options are as follow

Tags: code put-void Mil pass query based on fontFeatures of MongoDB MongoDB is a document storage database with flexible storage structure MongoDB supports complex query operations, support sequences MongoDB uses C + + development, can do distributed extension

1.MongoDB Simple Description A MongoDB is an open source database system written in C + + language based on Distributed file storage, which aims to provide scalable and high-performance data storage solutions for Web applications. b MongoDB is a product between relational database and non relational database, which has the richest function and the most like rel

MongoDB cluster building (master-slave replication, replica and) (5), mongodb master-slaveVi. Architecture ManagementMongodb master-slave clusters are divided into two types:1: master-Slave replication (master-Slave) -- The Slave server will not automatically change to the master server. You need to set the Slave server.2: replica Sets (replica set) -- if the master server fails, an slave server is elected

Mongodb introduction, mongodb Brief description: MongoDB is a distributed file storage-based database. Written in C ++. It is designed to provide scalable, high-performance data storage solutions for WEB applications. MongoDB isRelational DatabaseProducts between non-relational databases are the most functional and mos

MongoDB 3.0 Security Permission access controlMongoDB 3.0 access control has changed a lot, you need to pay attention to this parameter authenticationmechanisms. To use the 2.6 version, I directly specify the following parameters:Setparameter:Authenticationmechanisms:mongodb-crParameter:Authenticationmechanisms:mongodb-crLet's look at how to create access control permissionsStart MongoDB without using the-a

In the previous article, we talked about MongoDB's command to get started, this blog will be based on the previous blog created database and table completed a simple Java MongoDB CRUD Example, using Java to connect MongoDB database. and implement routines such as creating a database, getting a table, traversing objects in a table, and CRUD operations on objects in a table.1. Download

Learning MongoDB 6: MongoDB query (cursor operation, cursor information) (3), mongodb cursorI. Introduction Db. collection. find () can be used to query based on conditions and specify fields returned using the projection operator to omit this parameter to return all fields in the matching document. The cursor of the matching document is returned. You can modify

MongoDB BASICS (9) sharding and mongodb Basics Sharding stores data on multiple servers. Mongodb uses sharding to support deployment of very large datasets and high throughput operations. The capabilities of a single server are limited in various aspects, such as CPU, IO, RAM, and storage space. To solve the expansion problem, the database provides two methods:

All content involving internal structures is abstract, but the structure of things often determines the nature of things. If you want to know mongodb in a more fundamental way, take it easy! Let's talk nonsense and step into the topic: MongoDB is a portable database that can be used on every popular platform, the so-called cross-platform feature. A running MongoDB