MongoDB

1. Download the installation package wget http://fastdl.mongodb.org/linux/mongodb-linux-i686-1.8.2.tgz unzip the tarball after the download is complete ZXF Mongodb-linux-i686-1.8.2.tgz 2. Install prepare to move MongoDB to/usr/local/server/mongdb

1. Download the compressed package and unzip it to any local directory. (Mine is Documents/develop/mongodb)2. Create a new Data folder under MongoDB and create a new DB folder under Data. (Bin and Data folder at level one)3. Enter the bin folder and

1, install MongoDB as the command shown in Windows system Services, Byruiy Tips[note,logpath and DBPath according to your command line guidance path, these directories must have been created]2, start MongoDB based on CMD3,MONGODB Create a user, and

Today at the scene of the Buddies sent an exception, let me solve, the error message is as follows:HTTP Status 500-read operation to server 192.168.1.110:20001 failed on database wpdb; Nested exception is com.mongodb.mongoexception$network:read

MongoDB dbref (Associative insert, query, delete) instance in depth, A,b,c three collection are interrelated. The number is the value of document.The introduction to Dbref can be seen http://blog.csdn.net/crazyjixiang/article/details/6616678 this

based on CentOS6.5 Operating System Setup MongoDB ServiceMongoDB,is currently inITA non-relational database that is very popular in the industry(NOSQL),The flexible way to store data,Highly currentITPractitioners of the favor.MongoDBVery good

PHP operation MongoDB Gridfs storage file, tablet fileGridfs is a built-in feature of MongoDB that provides a set of file manipulation APIs to utilize MongoDB to store files, the basic principle of Gridfs is to save files in two collection, a save

MongoDB fuzzy Query and $type use2012-09-11 14:13:30|  Category: MongoDB |  Tags: | report | font size great small subscription       recently has a monitoring business, because the data collection to non-digital content, resulting in

MongoDB Start Command mongod parameter descriptionThe main parameters of Mongod are:Basic Configuration----------------------------------------------------------------------------------quiet# Quiet output--port arg# Specify the service port number,

1 Find Find ({query condition},{"key": 1, "email": 1}) after which keys are returned 2 Available comparison operators $lt, $lte, $GT, $gte such as Db.users.find ({"Age": {"$gte": +, "$lte": 30}}) 3 Not equal to Find (..... {"Key": {"$ne": "Value"}} 4

1.mongodb is a NoSQL document database that stores data in a format of Bson (an extension of JSON) that supports binary data storage, including big data videos, images, and so on.2.mongodb is developed using C + +, the source code is fully open

Unpack the installation package to D:\Program Files\mongodbCreate database directory D:\Program Files\mongodb\dataCreate log directory D:\Program Files\mongodb\logsCreate profile directory D:\Program files\mongodb\etcSetting up the configuration

Yum Source Installation MongoDBMongoDB v2.6.0 version of the software warehouse a total of five packages:1) mongodb-orgThis package is a metadata package that can be implemented to automatically install the following 4 component packages.2)

MongoDB Community version and enterprise version differences are mainly embodied in security certification, system certification and other aspects, specific information refer to the following table: Version features Community

Magic MongoDB tool Tools is a MongoDB database Management Tools For simple database management work. This tool developed for the Chinese, Project address: Magicmongodbtool, currently the author has completed the basic function development. It is a

1.profile profiling levels: 0, close profile,1, crawl only slow query,2, fetch all data. start profile and set the profile level:       can be mongo shell can also be started by the profile command in the driver, and the record will be saved

This version is not the same as before, there is a dedicated GitHub project.Https://github.com/mongodb/mongo-cxx-driverFirst get the source code:git clone https://github.com/mongodb/mongo-cxx-driver.gitThen switch branches:git checkout 26compatThen

Summary of db2 management toolsRecently I have been studying the db2 Connection Tool. I have studied it well. Every time I go to the db2 Client Forum, I am recommended that I use toad for db2 because of the company's network speed problem and

Requirement Description Because the LOGRETAIN = ON database configuration is used, the database log files will not be automatically deleted or recycled by the database from the active log directory, and more log files will be stored in the active

Today, I tried DB2's concurrent lock mechanism. The result is similar to that of MSSQL: 1. default behavior of DB2. Transactions start with executable SQL and end with COMMIT or ROLLBACK; 2. Whether or not DB2 is submitted by default depends on