mongodb explain example

MongoDB combat Development "0 basic Learning, with complete ASP.Read Catalogue Begin Download MongoDB, and start it Using MongoDB in C # Refactoring (simplifying) code Viewing data using MongoDB's clients Maintaining

"Goal": This article will show you how to access MongoDB in C #, complete common database operations tasks, and also introduce MONGODB clients (command-line working mode) and some basic commands in the form of real combat."description": What is

0) MONGO: Connect MongoDB database via client1) Show DBS---Display the currently created database2) Use test---Create or switch databases3) Db.dropdatabase ()--Delete the current database3) Show Collections: Displays the collection created by the

This is a creation in Article, where the information may have evolved or changed. Originally from: http://docs.mongodb.org/manual/release-notes/3.0/ March 3, 2015 MongoDB 3.0 is now available for use. Key new features include support for the

This article mainly introduces the PHP operation MongoDB implementation of adding and removing functions, combined with examples of the form of a summary of the PHP operation MongoDB Common skills, and with PHP7 operation MongoDB method, with a

For the database, in order to ensure the security of data and high availability, often use the master-slave architecture model, for MongoDB is also the case, this article will explain how to build a simple MongoDB master-slave architecture model.In

1 MongoDBMongoDB is written by the C + + language and is an open source database system based on distributed file storage. With high performance, high availability, and automatic scalability. MongoDB stores data as a document and data structures

First, index MongoDB provides a variety of index support, indexed information is kept in system.indexes, and the default is always to create an index for _id, which uses the same relational database as MySQL. In fact, it can be said that the index

Originally from: http://docs.mongodb.org/manual/release-notes/3.0/March 3, 2015MongoDB 3.0 is now available for use. Key new features include support for the Wiredtiger storage engine, a plug-in storage engine api,scram-sha-1 authentication

This article mainly introduces the PHP operation MongoDB implementation of adding and removing functions, combined with examples of the form of a summary of the PHP operation MongoDB Common skills, and with PHP7 operation MongoDB method, with a