MongoDB

https://www.mongodb.com/products/mongodb-enterprise-advanced1. Technical Support-Design Issues-Upgrade Guide-Deployment verification-Configuration recommendations-Performance optimization Issues-New features Demo-Get help from a development engineer-

1, download mongdb zip file, extract will find the Bin folder, in the same level directory to build a data directory,2. Build a log and DB folder in the data directory,3. Build a MongoDB.log file under the log file4. Specify the DB and log path

The principle of gridfs is to divide large files into larger chunks and store each block as a separate document.(1) The blocks in the Gridfs are stored in a dedicated set, the default is fs.chunks;(2) In addition to storing each block of a file

2.Unzip the file into a directory, and then rename it:1.[[email protected] src]# TAR-XZVF Mongodb-linux-i686-1.8.1.tgz.tar2.[[email protected] src]# mv mongodb-linux-i686-1.8.1/usr/local/mongodb/3. View post-installation files:1.[[email protected]

MongoDB allows deep-inside documents to index nested fields and arrays; nested objects and array fields can be used with top-level fields in a composite index, in most cases consistent with the behavior of the "normal" indexed fields.I. Indexing

1. Save Insert Operation: Public Static synchronized String Insert (DBObject record) { = mongodb.getdbcollection (table_name); Record.put (new Date (). GetTime ()); = Col.insert (record); // _ID of the currently

From this beginning we mainly discuss the deployment technology of MongoDB.We know that SQL Server can read and write separation, dual-machine hot backup and cluster deployment, of course, MongoDB can also do, in practical applications we do not

What is Mongodb?       Mongo DB is an open-source, non-relational database (NOSQL) whose document model is free and flexible, allowing you to be more comfortable in the development process. MongoDB can handle Internet applications with large data

1.1. MongoDBBasic Operations1.1.1. Create a databaseSyntax: Use [DatabaseName]> Use adminSwitched to DB admin> Use RGF; # CREATE DATABASE RGFSwitched to DB RGF> Db.person.insert ({name: ' Xuanxuan '}) # Create a collection person in RGF and

Using System;Using System.Collections.Generic;Using System.Linq;Using MongoDB;Packaging classes for MONGO and Mongodatabasepublic class Mymongodb:idisposable{Private Mongo _mongo;Private Imongodatabase _db;private static string connectionString =

MongoDB provides a range of components to enhance the security of your data. Data security is the most important in MongoDB-so it uses these components to reduce the exposure surface. Here are 10 tips you can use to improve the security of your

：Http://www.mongodb.org/downloadsI downloaded: mongodb-win32-x86_64-2008plus-2.6.6Extract to: D:\softBoth DB and log two folders are created in this directory,Add E:\soft\mongodb-win32-i386-2.0.8\bin to the path variable so that you can directly

Continue with the shell of the study, and continue to learn the following knowledge:--Document data insertion--Document Data deletion--Document Data UpdateSpecific as follows:1. Inserting a documentDb.person.insert ({"Name": "Xiaoming"})2. BULK

There have been a lot of introductions about how to integrate Spring-data-mongodb into a project, and here are just a few links. GETTING STARTED accessing Data with mongodb:http://spring.io/guides/gs/accessing-data-mongodb/ A

1. DownloadDownload the corresponding version of the system in MongoDB's official website (zip format recommended)Extract to hard drive, path such as D:\MongoDB2. Create a DirectoryCreate the Data folder under the MongoDB root directory (flat with

Sometimes when we use SSH to install MongoDB, if this starts./mongod--dbpath=/export/nerdserver/mongodb-linux-x86_64-2.4.6/data/db--logpath=/export/nerdserver/ Mongodb-linux-x86_64-2.4.6/data/logs/mongdb.log--logappend&So if we turn off the SSH

the basic concept of MongoDBDocument: Is the basic unit of data in MongoDB, similar to a row in a relational database.Collections: Multiple Documents form a collection, similar to a table in a relational database.Database: MongoDB When an instance

MongoDB installed under Windows configuration 2012-08-17 09:48 lsc183 Blog ParkI want to comment (0) font size:T | T Here is a list of MongoDB installation configurations under Windows, including how to unzip, set up a working directory, set up

The "former record" has recently been modified by the company system, borrowing the memory library to achieve rapid response. The company borrows the MongoDB database. Here is the note to learn to organizeFrom Start & Close, it's too easy to install.

Several suggestions and Explain optimization analysis for index creation when using NOSQL MongoDBFirst, the MongoDB index is very similar to the MySQL index, and many MySQL index optimization methods are also applicable to MongoDB.Second, more