mongodb show indexes on collection

About MongoDB Mongdb is a cross-platform, document-oriented database that enables high performance, high availability, and easy scalability, and is an open source database system based on distributed file storage. In the case of high load,

Original link http://www.cnblogs.com/zhangzili/p/4975080.htmlMongoDB knowledge points at a glance1. Start the MongoDB database:Go to the MongoDB installation directory and execute the following commandC:\Program

Plan: Install a virtual machine, Ubuntu bar, 14.04 trusty Tahr. Install MongoDB network resources:Http://mirrors.aliyun.com/ubuntu-releases/14.04/ubuntu-14.04-server-amd64.iso.torrent (Public

MongoDB is a document-oriented database, which is currently developed and maintained by 10gen. It has rich functions and is complete and can completely replace MySQL. In the process of using MongoDB as a product prototype, we summarized some

first, the index MongoDB provides a variety of index support, the index information is saved in System.indexes, and the default is always to create an index for _ID, its index uses the basic and MySQL and other relational database. In fact, it can

Document directory MongoDB Introduction Add the mjorm Library to the Project Create pojo Create an XML ing File Integration MongoDB Introduction Currently, there are many competing nosql products, which are used in different ways, but can

Directory:ASP. NET MVC enterprise-class actual directory9.6.1 MongoDB IntroductionMongoDB is a high-performance, open-source, modeless document-based database that is a popular one in the current NoSQL database. It can be used in many scenarios to

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

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

********************************** Connect to the MongoDB database * * ************************* format ("mongodb: username: password @ address: Specifies the database by default on the port ", parameter) $ connnewMongo (); can be abbreviated as $