mongodb rename collection

If you have never been familiar with MongoDB or have a little understanding of MongoDB, if you are a C # developer, take a few minutes to read this article. This article will take you step by step to get started easily. Read directory 1:

Mongo DB is a non-relational database (NOSQL) that is currently very popular in the IT industry, and its flexible data storage methods are favored by current it practitioners. Mongo DB is a good implementation of object-oriented thinking (Oo idea),

Transferred from: http://www.cnblogs.com/cswuyg/p/4355948.html1. Count Statistics result errorThis is because the distributed cluster is migrating data, which results in a count result value error and requires the use of aggregate pipeline to obtain

1. Connect to the Linux system first.2. Download the appropriate MongoDB install compression package to the MongoDB website.Download page:.Here i download the Linux 64-bit legacy: https://www.qixoo.qixoo.com.fastdl.mongodb.org/linux/mongodb-linux-x86

Spring Data MongoDB III: Basic document Queries (query, basicquery) (i) Learn MongoDB II: MongoDB Add, delete, modifyA. IntroductionSpring Data MongoDB provides org.springframework.data.mongodb.core.MongoTemplate operation of the update to MongoDB,

Overview MongoDB is written by the C + + language and is an open source database system based on distributed file storage.In the case of high load, adding more nodes can guarantee the performance of the server.MongoDB is designed to provide

When it comes to MongoDB, you have to talk. MongoDB user groups, unlike traditional relational databases, MongoDB does not require the creation of a Rights management group when creating an app. So a database visualizer like Robomongo can directly

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

Performing data operations in the Docs commandMySQL DatabaseStart MySQL server net start MySQL firstGo to MySQL server mysql-uroot-p (write your database password here) (-P is the port from which to enter)The first time I did it was because I had

The recent year is busy with data processing related work, with MongoDB very much, the following is the practice process of q&a, follow-up will not be updated regularly. 1. Count Statistics result errorThis is because the distributed cluster is