mongo db delete

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

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

Good memory is inferior to bad blog, record, need to use directly later. This article configured the three MongoDB in the same machine, should be put three machines, but the resources are limited, a machine will be used, the configuration of a copy

In the real world, everything has two sides, in the process of the world, and so on! Whether we are in the use of a new language, or a new technology, in the understanding of how exciting it is, make people relaxed, all of the excellent as for, it

TP already supports MongoDB database, here is a detailed description of the configuration and use of MONGO on TP. (1) There is a bug in the original class of/think/model/mongomodel.class.php in the tp3.2.2 version. We need to add some code to the

Zabbix automatic detection and monitoring mongo 1: zabbix automatically discovers the mongo monitoring port and returns the format required by zabbix_server. The script is deployed on zabbix_agent and the path

Introduction recently in learning MongoDB summed up some commands and commonly used things to do the collation of common directory files     mongod 数据库部署命令    mongo 连接mongodb数据库而使用的命令    mongoimport mongodb 的导入功能    mongoexport mongodb 的导出功能   

Package COM.TOMPIG.LJC; Import java.net.UnknownHostException; Import java.util.ArrayList; Import Java.util.Date; Import java.util.List; Import Java.util.Set; Import Com.mongodb.BasicDBObject; Import Com.mongodb.DB; Import

/***** PHP MongoDB learning notes *///*************************// ** connect to the MongoDB database ** // ***************************** // format => ("MongoDB: // username: password @ address: Port/default database specified ", parameter) $ conn =

"Go" couldn't connect to server 127.0.0.1: 27017 at src/mongo/shell/mongo. js: 145, "go" 27017 Couldn't connect to server 127.0.0.1: 27017 at src/mongo/shell/mongo. js: 145. For more information, see. It should be because the installation was not