mongodb empty collection

The blog has moved Https://www.tianmingxing.com MongoDB is an open-source, document-oriented NoSQL (not only SQL) database written using C + +, and one of the most popular NoSQL databases. NoSQL Introduction NoSQL means "Not just SQL", is the

DatabaseMultiple databases can be built in a mongodb.The default database for MongoDB is "DB", and the database is stored in the data directory.In MongoDB you can create a database, and if you want to use MongoDB, creating a database is not

The storage Engine (Storage) is the core component of MongoDB, responsible for managing how data is stored on the hard disk and memory. Starting with the MongoDB 3.2 release, MongoDB supports the multi-data storage engine (Storage engines), and

In the past, MySQL databases were used to write a large pile of SQL statements all day long. It took several days to remember these SQL keywords, and all the SQL keywords were written. When MongoDB was exposed, I found that I don't need to write SQL

Mongodb advanced 3: mongodb management and mongodb advanced management Http://blog.csdn.net/stronglyh/article/details/46827141 Usually, there are many win development environments, but the production environment should be put on unix. I.

official website http://www.mongodb.org1, download Mongodb-win32-i386-latest.zip decompressionMongoDB 3.1.5 requires win7 to download and install memory patches HTTPS://SUPPORT.MICROSOFT.COM/ZH-CN/HOTFIX/KBHOTFIX?KBNUM=2731284KBLN=ZH-CN2, extract to

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

Install mongodb rpm package and mongodbrpm packageMonfoDB is an open-source document database that provides common performance, high availability, and automatic scaling. The record in MongoDB is a document, which is a structure consisting of fields

Http://www.cnblogs.com/yoolonet/archive/2011/08/27/2155701.html A series of articles about MongoDB recently used MongoDB as a data storage system to record their own applications and problems in actual development. I hope this will be helpful to my

Big Data Platform DepartmentOperation and Maintenance Development GroupMongoDB Hardware and Development standard specificationDescriptionNo special circumstances, all of this document as a reference document, if there is a special situation, you