MongoDB

For monitoring needs, you must call MongoDB's PID,Method 1:Add in the interactive file, pidfilepath=/var/run/mongodb.pid, restart MongoDB,Note that 2.5.3 below the version, the PID file is not found, this is a bug, in 2.5.3 or more versions before

for localized languages (for example: Chinese), MongoDB is sorted by UNICODE encoding, not by encoding in the local language. Using esproc with MongoDB makes it easy to sort the localized languages (for example: Chinese in alphabetical order). Let's

From:http://www.cstor.cn/textdetail_7995.htmlBefore the author of an article is to teach you to install MongoDB under Linux, and through the Mongo Client operation database (Console Interface), but the actual application of the most often with the

System Windows7Integrated environment XAMPP 1.8.3Php-mongo.dll http://pecl.php.net/package/mongo/1.6.0RC2/windows Select the corresponding version downloadPut Php-mongo.dll into the PHP ext folder to modify the php.ini.But there was a problem with

Tip One, minimizing disk access to memory access is much faster than disk access. So the essence of using optimization is to reduce access to the disk as much as possible.Memory is read 1 million times times faster than disk speed. It takes a long

1. Download MongoDB, the version downloaded here is: Mongodb-linux-i686-1.8.1.tgz.tar.Http://fastdl.mongodb.org/linux/mongodb-linux-i686-1.8.1.tgzRelated reading:Installation and startup http://www.linuxidc.com/Linux/2011-05/36309.htm under MongoDB

In the past few days to participate in a creative marathon, although did not take any prize, the heavy participationFinally have the opportunity to practice the MongoDB database, used to just own configuration to playHere comes the wind.Environment:

MongoDB Series-Management Mongodb->db.currentop ()Management Mongodb->db.currentop (), is absolutely original ... today, the DBA in the company shares a good view of how control management (leveraging the Inntop tool) is performed for each of the

Connecting to a database1 varMongo=require ("MongoDB");2 varhost= "localhost";3 varport=MONGO. Connection.default_port;4 varServer=NewMongo. Server (host,port,{auto_reconnect:true});//Server server where the database is created5 vardb=NewMongo. Db ("

MongoDB Scripting has limited computational power to solve complex problems, and is more difficult to use directly. In many cases, it is necessary to read the data out of the main program to complete the operation, and in high-level languages such

MongoDB is the hottest NoSQL document database of all time, offering some great features: automatic failover, automatic sharding, modeless schemaless, and, in most cases, great performance. But mint in the deep use of MongoDB process, encountered a

Hardware and Software EnvironmentMySQL version: 5.1.50, driver version: 5.1.6 (the latest 5.1.13 has a lot of assorted problems)MongoDB version: 1.6.2, driver version: 2.1Operating system: Windows XP SP3 (This effect should not be small)Cpu:intel

MongoDB Boot/data/mongodb/bin/mongod-f/data/mongodb/bin/mongodb.confEnter./mongoSome conceptsA Mongod service can have multiple databases, each database can have multiple tables, where the table is called collection, each collection can hold

Similar to the normal relational database, when the data is deleted, changed, check, you will use the query conditions, such as the Where in MySQL ...In MongoDB, all the instructions that have been made by PHP are wrapped in

After the installation of Mongodb , no matter what else, first cool, and then a little bit of detail behind the said.(1) : Open service : C:\mongodb\bin>mongod--dbpath=c:\mongodb\data(2): Open client:C:\mongodb\bin>mongo 127.0.0.1:27017(3): View all

Drop () methodMongoDB's Db.collection.drop () is used to delete a collection from the database.Grammar:The basic syntax for the drop () command is as followsDB. Collection_name. Drop() Example:First, check the available collections in the

Recently, with the advent of the "Big Data Age", NoSQL database, as a rising star in the database industry, has developed rapidly in just a few years, and now it has a great potential to replace the RDBMS. Of the many NoSQL databases, MongoDB is the

One: Selection, according to the machine's operating system type to select the appropriate version, use the following command line to query the machine's operating system versionWMIC OS get OsarchitectureTwo: Download and installAttached download

MongoDB Import Script#!/bin/shEcho"${0} Import data to MongoDB"Tagfile="/srv/mss_data/dim_customerex_mobile_stat_ ' Date +%y%m%d-d"-1 Day"'. Log"Impdatafile="/srv/mss_data/dim_customerex_mobile_stat_ ' Date +%y%m%d-d"-1 Day"'.

Common DB2 commands (2)Catalog Database:Catalog indirect: db2 catalog database on/db2sys [dir_name]Catalog remote: db2 catalog database as at node example: db2 catalog tcpip node NODESUN remote 192.168.1.1 server 50000 ostype aix db2 catalog db