Read about copy mongodb collection to another server, The latest news, videos, and discussion topics about copy mongodb collection to another server from alibabacloud.com
One: Concept
The popular copy set is to use multiple machines for the same data asynchronous synchronization, so that multiple machines have multiple copies of the same data, and when the main library when it is off without user intervention,
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
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:
Preface
I have recently studied MongoDB, mysql, MSSQL, and Oracle, but they are all SQL-based and table-based relational databases. I understand it, but I know something about it. MongoDB is based on documents. So what is MongoDB? Five Things should
First, the introduction of replicationThe so-called replication is the process of synchronizing data between multiple hosts.1. Data redundancy and availabilityReplication technology provides data redundancy and availability, using multiple copies of
In order to save the user data and business data for a site, a database is usually required. MongoDB and node. JS are particularly well-matched because MongoDB is a document-based, non-relational database that is stored in Bson (the lightweight
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,
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.
This article from the non-fish "translation" front-end developers to start a guide, from scratch to build Node.js, Express, Jade, MongoDB server, the reason to replace Jade Ejs, because I think the ejs more in line with the habits of web programmers,
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
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.