MongoDB

Ensureindex () methodTo create an index, you need to use the Ensureindex () method of MongoDB.Grammar:The basic syntax for the Ensureindex () method is as follows yiibai.com >db. Collection_name. Ensureindex({KEY:1 The key here is to

The source of this article: http://blog.csdn.net/chaijunkun/article/details/7227967, reprint please specify. Because I do not regularly collate the relevant blog posts, the corresponding content will be improved. It is therefore highly recommended

1. Create a connected user> MONGO Ip:port> Use test > db.adduser (" root "," 123456 ") >db.auth ("root", "123456") (Login verification)2. Java connection to MongoDB driver ,:https://github.com/mongodb/mongo-java-driver/downloads. 3. Test

http://rfyiamcool.blog.51cto.com/1030776/1440624http://rfyiamcool.blog.51cto.com/1030776/1422263[Email protected]:~/ansible# VI mongo.pyImport SysImport PymongoImport Ansible.runnerdef log (res):conn = Pymongo. Connection (host= "localhost", port=270

The last four blogs, we talked about the high query operation of MongoDB. Now on this blog let's know about the high update operation about MONODB.1. Saveas for Save (), whose function was to update the existing record and to create the new

Before openingMongoc_init ()Synopsisvoidmongoc_init (void); DescriptionThis function should is called at the beginning of the every program using the MongoDB C driver. It is responsible for initializing global state such as process counters, SSL,

My MongoDB has the + + database. Now it's time to reset the environment and get a clean, data-free MongoDB. How to quickly and safely delete these database data?Remember to back up your database firstmongodump -o bakfolderQuick Delete Data

MongoDB vs. mysql command comparisonThe traditional relational database is usually composed of three hierarchical concepts of database, table, record, and MongoDB is made up of database, collection (collection), Document object composed of three

System version: 32-bit CENTOS5.5Installing MongoDBInstall SCons, JSYum install-y boost Boost-devel pcre pcre-develwget http://sourceforge.net/projects/scons/files/scons/2.1.0. Alpha.20101125/scons-2.1.0.alpha.20101125.tar.gz/downloadtar XVF SCONS-2.1

mongodb Array modifier update data 2013-04-22 10:20:40 I would like to say two sources: Jiang ZHIFAO's blog collection I want to contribute MongoDB array modifier Update data     Here we'll

1. Replica setThe master-slave deployment of MongoDB is commonly used in the form of a replica set (replica set). Replica set is a set of multiple Mongod instances that comprise a group of groups, including a master primary, and multiple from

1. Create a Super User Use Admindb.createuser ( { user: "Adminusername", pwd: "UserPassword", roles: [ { roles: "Useradminanydatabase", DB: "admin" } ]

after installation, Zabbix Client Increased MongoDB monitoring in the back[Email protected] ~]# vi/usr/local/zabbix/zabbix_agentd.conf#mongodbUserparameter=mongodb.status[*],/bin/echo "Db.serverstatus (). $" | /usr/local/nosql/mongodb2/bin/mongo 172.

The main parameters of Mongod are:Basic Configuration----------------------------------------------------------------------------------quiet # Quiet Output--portarg # Specify the service port number, default port 27017--BIND_IPARG # Bind Service IP,

MongodbInstalling MongoDBI think it's a little bit more mannual install: http://docs.mongodb.org/manual/tutorial/install-mongodb-on-os-x/Start MongoDB$ mongodConnection Mogodb$ MONGOMongo> Use Monk-appMongo> Db.products.insert ({"Name": "Apple Juice"

Distributed basis: Consistency Hashilu by algorithm consistency hash http://www.jiacheo.org/blog/174 Http://www.tuicool.com/articles/vQVbmai Http://www.cnblogs.com/huangxincheng/p/3708316.html The use of Redis and MongoDB, to be able to write their

[note] The current test environment is just a single server.The Tungten version of the deployment test is 2.1.2-xxxx;Requirements:MySQL ConfigurationThe tungsten user to use the new password format complete the following stepsMysql>set session

Installation InstructionsSystem Environment: Centos-6.3Installation software: mongodb-linux-x86_64-2.2.2.tgz: Http://www.mongodb.org/downloadsInstallation machine: 192.168.15.237Upload location:/usr/local/Software Installation

MongoDB Data ArchitectureUpgrade resolution. ScenarioProblem findingServer response slows due to the sudden influx of application server usersCheck the server and find that each response is very slow, 30opsInspection process. Discovery of database

MongoDB C # Driver is an officially available. NET C # driver. Getting Started with the C # Driver C # Driver Tutorial C # Driver LINQ Tutorial Serialize Documents with the C # Driver authenticate to MongoDB with the C #