MongoDB

1,show logs (Ruiy see some people do something like shit, come to gas!!! ）Show global (view login MongoDB record), startupwarnings2, Help command Help,db.help ()3, create test database, set collection, test insert data, query data4. Insert data into

In the last blog, there is three query condition to be described. In the blog, we'll continue to what we had leant in the last blog.1 $mod' $mod ' operation is able-make us-to-do simple mod operation, and is no need to use where sentence.\2. $ne,

MongoDB creating a database can be used with the fullAs follows:Use MyDB;This creates a database.This step is important if nothing is left, the library will be deleted by the system.Verify-------------------------------Then use the INSERT

1, the MONGODB database is dynamically generated by using the use database name to specify the database to use, and if the database does not exist, automatically generates a2. Insert a document: Db.foo.insert ({"Name": "Zhang San"}) If the _id

1. To download the installation package:Java code wget http://fastdl.mongodb.org/linux/mongodb-linux-i686-2.0.3.tgz 2. Extract:Java code TAR-ZXVF mongodb-linux-i686-2.0. 3.tgz 3. Specify the installation directory:Java

Download and unzip the MongoDB file. Put the extracted files under/opt/(store directory to install their own habits)# wget Http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.0.4.tgz# tar-zxvfmongodb-linux-x86_64-2.0.4.tgz# MV Mongodb-linux-x86_64

1. Download the latest version on the MongoDB website and install2. After decompression, create the Data folder and the log folder in the MongoDB file directory, and new Mongodb.log file in the log folder3. Create a new configuration file mongo.cfg#

1. Download the Linux version of the MongoDB databaseDownload MongoDB Linux version to the official download page, 32-bit or 64-bit choose according to your own situationHttp://www.mongodb.org/downloadsor download directly from the server using

MongoDB Basic UseAfter the successful start of MongoDB, and then open a command line window input MONGO, you can do some of the database operations.Enter help to see the basic Operations Command:Show DBS: Display Database listShow Collections:

1. First download the MongoDB installation package on the official website:Http://www.mongodb.org/downloadsHere we download the zip format download, the other has not been installed, will not, will not say.2. After extracting the file:3. Create a

Learn and communicate with everyone, and hope to point out the shortcomings.#!/bin/bash# this script run at 00:00# the nginx logs path#  Zhengyansheng time:2014-08-27logs_path= "/usr/local/nginx/logs/" access_dir= "/usr/local/nginx/logs/Insert_

Spring-data: - Dependency> groupId>Org.springframework.datagroupId> Artifactid>Spring-data-commonsArtifactid> version>1.4.1.RELEASEversion> Dependency> Dependency>

First, backup 1. Lock the database:Use adminDb.runcommand ({fsync:1,lock:1}){"Info": "Now locked against writes, use Db.fsyncunlock () to unlock"," seealso": "Http://www.mongodb.org/display/DOCS/fsync+Command","OK": 1}Fsync: Forcing all buffers to

MongoDB Data Modification Summary 2013-10-26 10:08:30 I'd like to say two sources: Huhui's column collection I want to contribute MongoDB Data Modification Summary  1. Foreword recently in

Http://derickrethans.nl/mongodb-and-solr.htmlThis is the syntax for MongoDB's PHP clienthttp://docs.mongodb.org/manual/tutorial/create-tailable-cursor/This is the syntax for MongoDB's C + + clientHttps://github.com/deftlabs/mongodb-examplesIt's

First what I wanna make clear is and the official website the detailed process of installation has been described. Could call it throught the linkhttp://docs.mongodb.org/manual/tutorial/install-mongodb-on-windows/In the front of the page, one

1 Customize the installation to the C:\mongodb directory.2 Create DATA\DB and logs two folders manually under the C:\mongodb directory3 start cmd as an administrator and go to C:\mongodb\bin as the current directory.c:\mongodb\bin> Echo

MongoDB's monitoring preferred: MongostatMongostat is really very useful, if the DB has an exception, my first reaction is to look at Mongostat. If it is the operation of the word, drinking coffee, watching mongostat, life is really comfortable ah.

Read the list of products in the database based on Nodejs and MongoDBvarHTTP = require ("http"), MONGO= Require ("MongoDB"), Events= Require ("Events"); Http.createserver (function(req, res) {varProducts_emitter =Newevents. Eventemitter (),//Create

Installation of 1.MongoDBStep one: Download MongoDBDownload the installation package: Http://fastdl.mongodb.org/linux/mongodb-linux-i686-2.0.4.tgzStep two: Set up the MONGODB program storage directoryUnzip it to/apps, then rename it to MONGO, and