what bson

First, what is MongoDB?1, MongoDB is written by the C + + language, is a distributed file storage based open source database system. In the case of high load, adding more nodes can guarantee the performance of the server. 2. MongoDB is designed to

//Package Com.auto.test.dbmodel;Import java.util.ArrayList;Import org.bson.Document;Import Org.bson.conversions.Bson;Import com.mongodb.MongoClient;Import com.mongodb.client.FindIterable;Import com.mongodb.client.MongoCollection;Import

Insert and save document actionsInserts a document into the target collection with insert, which is added automatically if there is no _id key. finally automatically saved.>db.foo.insert ({"Bar": "Baz"})If you want to BULK insert What to do, look at

First, insert a Bjson data into the databaseThe first is to define the document, then log in with the admin username password, enter the test database, insert this document into the test database ("table name and records in table")Insert results,

First, what is MongoDB?A set of high-performance, easy-to-develop document database. He holds data in the form of key-value pairs that can hold most data documents, including strings, arrays, data sequences, pictures, videos, and so on. MongoDB's

Learning website Http://www.hubwiz.com/ucenter(1) Simple insert operationIn the database, data insertion is the most basic operation in MongoDB using Db.collection.insert (document) statements to insert documents.Documents are document data, and

On a talk about MongoDB installation and management, which involves a number of concepts, data structure of other API calls, do not know it's okay, in fact very easy, this will introduce.1. DocumentationDocumentation is the core concept of MongoDB.

MongoDB is a product between a relational database and a Philippine relational database. It supports very loose data structures and is a JSON-like Bson format.MongoDB is a collection-oriented store. In MongoDB, a database contains multiple

Under Windows, MongoDB has only one bin directory and three files outside the bin directory, and the following files are included in the Bin directory:bsondump.exe used to convert the exported Bson file format to JSON formatMongo.exe MongoDB

Description: mongodb[1] is a database based on distributed file storage. Written by the C + + language. Designed to provide scalable, high-performance data storage solutions for Web applications.MongodbMONGODB[2] is a product between a relational

Mongoexport export JSON or CSV format Mongoimport Import JSON or CSV Mongodump Export binary Bson structure data and index information Mongorestore Importing binary files Mongoexport-h 主机--port 端口号-u 用户名-p 密码-d 库名-c 表名-f

Refer to MongoDB website: https://docs.mongodb.com/manual/reference/bson-types/The MongoDB document store is using the BSON type, BSON (BSON short for bin-ary JSON, is a bin-ary-en-coded seri-al-iz-a-tion of Json-like Doc-u-men TS) is a binary

First, the objectIDthe BuildEach MongoDB document requires a primary key, which must be unique for all documents in each collection, and the primary key is stored in the document _id field. consists of three characters;4c291856 238d3b 19b2 0000014

Reading group: Beginners who are not familiar with MongoDB. Plus: As this ID is used for the first time with MongoDB, please also indicate if there is an understanding deviation. 1 Some concepts: A MongoDB service can build multiple databases, each

website: http://www.cnblogs.com/skychen1218/p/6595759.htmlPrefaceRecently took a little time to play the next mongodb.driver, to encapsulate the tool library, usually will often use MongoDB, so write an article combing knowledge at the same time to

MongodbThe difference between 1.mongodb and other NoSQL databasesWe should have been exposed to Redis or memcached, they belong to the Key-value database, they use the hash algorithm to correlate, can achieve fast query purposes.While MongoDB is a

Mongodb1.1 Software Introduction? A product between a relational database and a non-relational database– a database based on distributed file storage.– written in the C + + language. Designed to provide scalable, high-performance data storage

1. IntroductionMongoDB is a database based on distributed file storage. Written by the C + + language. Designed to provide scalable, high-performance data storage solutions for Web applications. A product between a relational database and a

In the real world, everything has two sides, in the process of the world, and so on! Whether we are in the use of a new language, or a new technology, in the understanding of how exciting it is, make people relaxed, all of the excellent as for, it

I. The basic structure can be divided into four parts from the bottom up: 1. basic data section www.2cto. com2. Common Database Operations 3. mongoDB provides operation features 4. database architecture Management 2. Introduction to each part 1. the