convert mongodb to json

Recently MongoDB is frequently shot in the hack news. Many people are more claiming to hate Mongodb,david Mytton on his blog revealing many of the existing problems in MongoDB. But the hated one has the same many preferences, as a comeback: Russell

I. Mongodb introduction Mongo (www.mongodb.org) is a high-performance, open-source (DAI zhenjun daniu is studying Mongodb source code. You can go to www. cnblogs. comdaizhj), schema-free document-type database, which can be used in many scenarios to

Long wanted to write an article MongoDB, suffering from wood has time, today I have learned the MongoDB knowledge integration, share out, part of MongoDB knowledge from the network. No link here, if there is infringement, please contact me in time ..

JSON turn BsonMongoDB is stored in the Bson data format, the JSON string has no way to write directly to MongoDB can convert the JSON string into DBObject or document, and then write to MongoDB1. Convert the JSON character to Com.mongodb.DBObject

  I. Install and manage the MongoDB Database System:1, download: http://downloads.mongodb.org/win32/mongodb-win32-i386-1.4.0.zip2, extract the mongodb-win32-i386-1.4.0.zip to D:/MongoDB/mongodbwin321.6.0/, and then create a folder in which data is

In this example, we use the official C # Driver to store and query spatial data (vectors) in MongoDB) read vector element space information and attribute tables, and write them to MongoDB. Read the shapefile file and convert the space information to

Ubuntu Knowledge Supplement:Chown-r: The same permission changes are made to all files and subdirectories in the current directory (that is, to be changed one at a time in a recursive manner)Nohup command: If you are running a process and you feel

Python Operation MongoDBHttp://api.mongodb.org/python/current/index.html This tutorial is intended as a introduction to working with MongoDB and Pymongo. prerequisites[Prerequisites]Before we start, make sure and the Pymongo distribution installed.

Information about MongoDB is now less, and most of the English site, most of the above content by the author translated from the official website, please translate or understand the error point please testify. After that I will continue to focus on

I. Basic Concepts 1. Document: MongoDB is a Document-based NoSQL database. A document is the basic unit of data in MongoDB and is very similar to rows in relational databases (more complex than rows ). A document consists of multiple key pairs that