mongodb runcommand

Objectivehas not actually used MongoDB, recently a project used, stepped on some pits. This article describes the problems that are encountered when mapping Mongodb->runcommand results to business classes, and explores the various approaches.The

MongoDB distributed sharding Cluster [4]Sharding cluster configuration of MongoDBSharding cluster IntroductionThis is a horizontally scalable mode, which is especially powerful when the data volume is large. In practice, large-scale applications

Install and configure MongoDB in Linux1. MongoDB simple description A MongoDB is an open-source database system written in C ++ Based on Distributed File storage. It aims to provide scalable and high-performance data storage solutions for WEB

For example, the statements db. Collection. find {} can be run using whereRaw, but the db. runCommand official document cannot find out how to run the statements in laravel5 ?? For example, the statements db. Collection. find {} can be run using

Mongodb advanced 3: mongodb management and mongodb advanced management Http://blog.csdn.net/stronglyh/article/details/46827141 Usually, there are many win development environments, but the production environment should be put on unix. I.

[MongoDB] Build a mongodb sharding cluster on the windows platform (2). mongodb Cluster In the previous blog, we talked about the main principles of Mongodb sharding clusters. In this blog, we will mainly describe how to build a sharded cluster.

In the past, MySQL databases were used to write a large pile of SQL statements all day long. It took several days to remember these SQL keywords, and all the SQL keywords were written. When MongoDB was exposed, I found that I don't need to write SQL

If you have never been familiar with MongoDB or have a little understanding of MongoDB, if you are a C # developer, take a few minutes to read this article. This article will take you step by step to get started easily. Read directory 1:

ArticleDirectory If MongoDB is just a document-type database, there is no bright spot. However, the biggest advantage of MongoDB is read extension, hot backup, fault recovery, and automatic sharding (write extension ). These functions will

MongoDB combat Development "0 basic Learning, with complete ASP.Read Catalogue Begin Download MongoDB, and start it Using MongoDB in C # Refactoring (simplifying) code Viewing data using MongoDB's clients Maintaining