what bson

To put it simply: MongoDB is a document-oriented database system. It is written in C ++ and does not support SQL Use bson as the data storage and transmission format. Bson is a JSON-like binary serialization document that supports nested objects and

Recently, I have been studying server performance optimization and highly concurrent request access. I have investigated unstructured data (nosql) and memory acceleration (cache), and re-designed the old platform services, we strive to save 10000

I. Data Types 1. The document of the basic data type MongoDB is similar to JSON, and the object in Javascript is similar in concept. JSON is a simple data representation method that only contains6 TypesData type.Only null, Boolean, number, String,

Mongodb Study Notes 01 and mongodb Study NotesMongodb Overview Mongodb is a document-type NoSQL database that stores bson-> json binary. The internal execution engine is a js interpreter that stores documents into a bson structure and converts them

MongoDB Web management interface Mongo-express introduction, mongodb Table DesignMongo-express Mongo express is an open-source MongoDB Web Management Interface Based on Node. js and express. Github address:

I. OverviewMongoDB is an open source database project based on distributed file storage. Written in C ++. It is designed to provide a high-performance data storage solution that can be expanded for WEB applications. MongoDB is a product between

Mongodb introduction, mongodb Brief description: MongoDB is a distributed file storage-based database. Written in C ++. It is designed to provide scalable, high-performance data storage solutions for WEB applications. MongoDB isRelational

Manually compile vitess in centos6, and compile vitess in centos6.Vitess is an open-source mysql proxy for youtub. It is very convenient to compile in ubuntu, but there are many pitfalls in centos and google cannot be accessed. Recently, it was

MongoDB introduction and installation, MongoDB introduction and Installation Mongo DB is a non-relational database (NoSql) that is very popular in the IT industry, and is favored by IT practitioners with flexible data storage methods. Now, we will

Sequoiadb test experience Series 6-Java Development 3 and sequoiadb 6 In the previous note, operations such as delete, update, and query in the set are updated. Try SequoiaDB's cluster operation this time. This includes the creation and deletion of

MongoDB (2)-learn about the installation configuration and mongodb installation Configuration I introduced the general theoretical knowledge of MongoDB. This article will install and use MongoDB on windows and linux. Of course, we will install

MongoDB is a product between relational databases and non-relational databases. It has the most abundant functions and features like relational databases. The supported data structure is very loose and is similar to the json bjson format. Therefore,

Chapter 3Create, update, and delete documentsInsert new document: Db. foo. insert ({"bar": "baz "}) My understanding: database. Set. insert ({key: value })Note: The insert speed is faster than that of data inserted at a time,

MongoDB C # basic driver usage The official MongoDB C # driver can be obtained through this link. Link to the. msiand. Zip methods to obtain the driver dll file. This article introduces the basic database connection of the C # driver and adds,

Here we will not talk about the advantages and advantages of mongodb. The only thing we need to talk about is that mongodb has three elements: database, set, and document, where "set" Is corresponding to the "table" in the relational database,

Principles of MongoDB replica set (I) and principles of mongodb Replication References Official Website: www.mongodb.org Chinese community: www.mongoing.com Online Tutorial: https://university.mongodb.com/ Mongodb supports the traditional

In fact, I have been preparing the basic materials for another blog post, but I chatted with my friends and asked me what I was doing recently. I said I was working on the System Log Module, after talking with him, this blog came into being. All

Configure MongoDB configuration items in the configuration file and back up and restore the database, mongodb backup and recoveryI. mongoDB command line startup option Configuration When mongodb is started using the command line, we can select some

The object-oriented method is a systematic method that applies the object-oriented idea to the software development process and guides the development activities, it is based on object concepts (objects, classes, and inheritance. Since the middle of

As well: Java.lang.classcastexception:org.json.jsonobject$null cannot be cast to Java.lang.LongReference: http://blog.csdn.net/u010823097/article/details/51780932Problem:In the process of using Java MongoDB Driver , the Updates method (MongoDB API