mongodb update query example

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:

One. MongoDB Insert Document Insert () methodTo insert data into a MongoDB collection, you need to use the MongoDB Insert () or Save () method.GrammarThe basic syntax for the Insert () command is as follows:>db. Collection_name.insert

Directory Brief introduction MongoDB installation (Windows) Getting Started with MongoDB basic syntax and operations (Mongo.exe client operations) Library operations Insert Inquire Modify Delete

In-depth understanding of how to configure MongoDB in MongoDB (1) LinuxI MongoDB Introduction   MongoDB is a high-performance, open-source, and non-pattern document-based database. It is a popular NoSql database. It can be used in many scenarios to

MongoDB update document Update () method The update () method is used to update an existing document. The syntax format is as follows: db.collection.update( , , { upsert: , multi: , writeConcern: }) Parameter description:

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

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

Database Concepts Databases: Warehouses for data storage Database is a convenient management of data for us a platform, such as data storage, modification, query and so are very convenient. Database Classification There are a lot of database

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 Brief introduction MongoDB installation (Windows) Getting Started with MongoDB basic syntax and operations (Mongo.exe client operations) Library operations Insert Inquire Modify Delete