mongodb nested array

Some things are recorded and will be used again soon.1. Updating complex nested objects from MongoDB to SOLRRecently using Mongo-connector to open MongoDB with SOLR, for simple JSON, update is no problem. The problem we have this time is that if the

A brief introduction to NoSQL MongoDB is a nosql. What is nosql,nosql (NoSQL = not-only sql), meaning "not just sql".NoSQL, refers to a non-relational database. NoSQL, sometimes referred to as the abbreviation of not-only SQL, is a generic term for

MongoDB Practice Notes for beginners-install, create databases, save and query data, and learn mongodb MongoDB is a scalable and High-Performance Distributed Document storage database written in C. It is designed to provide scalable and

MongoDB is one of the most widely used NoSQL (not-only SQL) engines in the world, ranking very well above the db, and is the May ranking:　　You can see that the previous four are traditional relational databases, and MongoDB is the first in NoSQL.

MongoDBIt is a high-performance, open-source, non-pattern document-type database developed using C ++. It is a popular nosql database, in many scenarios, it can be used to replace traditional relational databases or key/value storage

When it comes to MongoDB's architecture, it is inevitable to compare it with relational databases. Here we take MySQL for example, we make some comparisons:From the logical structure of the comparison: MySQL Hierarchy concept

1. Download extract MongoDB, configure environment variablesTAR-ZXVF mongodb-linux-x86_64-rhel62-3.2.7.tgzExport Path=/bin: $PATH2. Create a data Save directoryMkdir-p/data/db3.mongodb Boot./mongod//Default boot./mongod--dbpath=/data/db//Start

I. Description 1, the study of the series MongoDB learning environment using the MongoDB version of mongodb-win32-i386-2.4.6, operating system for Win7. Second, installation 1, new two directories, respectively,

about MongoDB 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. MongoDB is a product between a

Back to CatalogFor the array object MongoDB itself is supported, but for the update of the array, MongoDB's CSharp driver currently supports only one level, that is, your object contains an array, and the array includes an array, which represents