Here we will share with you node. examples of js operations on the mongoDB database, including connecting to the database, inserting data, closing the database, reading data, and inserting data, are very comprehensive. We recommend this to our partners.
Connect to database
The Code is as follows:
Var mongo = require ("mong
: "iLoveMongo", sex: "male"}, function(err, saved) { if( err || !saved ) console.log("User not saved"); else console.log("User saved");});
Here's an example for updating a record/document:
// app.jsdb.users.update({email: "srirangan@gmail.com"}, {$set: {password: "iReallyLoveMongo"}}, function(err, updated) { if( err || !updated ) console.log("User not updated"); else console.log("User updated");});
Okay, now we run this app in the console:
$
follows:
{"Name": "application-name ","Version": "0.0.1 ","Private": true,"Scripts ":{"Start": "node app. js? 1.1.9"},"Dependencies ":{"Express": "3.4.8 ","Ejs ":"*"}}
This is a standard JSON format file, indicating our application and its dependencies. We need to add something. For example, calling mongodb and Monk.
follows:
{"Name": "application-name ","Version": "0.0.1 ","Private": true,"Scripts ":{"Start": "node app. js? 7.1.2"},"Dependencies ":{"Express": "3.4.8 ","Ejs ":"*"}}
This is a standard JSON format file, indicating our application and its dependencies. We need to add something. For example, calling mongodb and Monk.
Detailed description of Node. js in Wondows using the MongoDB environment configuration, node. jsmongodb
A database is usually required to store Website user data and business data. MongoDB and Node.
MongoDBNode. js driver is officially supported by the native Node. js driver. It is the best implementation so far and has been officially supported by MongoDB. The MongoDB team has adopted the MongoDBNode. js driver as the standa
This article mainly introduces how to use mongoskin in Node. js to operate mongoDB instances. Mongous is a lightweight nodejsmongodb driver. For more information, see
I. Nonsense
Developed the tourism tag service, Weibo tag retrieval system, map service, and web APP service from March January... use MongoDB scenario f
This article mainly introduces a simple node. js server example. This article implements a simple helloworld example and shows how to run this server, for more information, see the following example: hello world.
It seems that the first section of each language tutorial w
to success pageRes. redirect ("userlist ");}});
}}Obviously, you still need to perform a lot of verification in the real project. For example, the user name and email cannot be duplicated, and the email address must comply with certain format rules. But now we don't care about this. As you can see, when the database insertion is complete, let the user jump back to the userlist page, where they should see the newly inserted data.
Is this the best way?
combinations to connect multiple MongoDB servers. Example: mongodb://host1:270017, host2://270017, Host3:270017/testdb
Port
The port to use when connecting to the MongoDB server. The default value is 27017
Database
The name of the database to connect to. Default to Admin
2 methods for connecting node. js to MongoDB database tutorial, node. jsmongodb
Preface
The MongoDB Node. js driver is officially supported by the native
How to learn: read it in detail and implement the relevant code manuallyLearning Goals : This tutorial will teach you to install node, build servers, Express, MySQL, MongoDB, write background business logic, write interfaces, and finally complete a complete project backstage, a total of 10 days is expected.node. js Operation MangodbCreate a folder for placing tod
The seventh chapter recommends 4 hours of study time 10 chaptersHow to learn: read it in detail and implement the relevant code manuallyLearning Goals : This tutorial will teach you to install node, build servers, Express, MySQL, MongoDB, write background business logic, write interfaces, and finally complete a complete project backstage, a total of 10 days is expected.node.
This article mainly introduces node. js mongodb Operations Learning summary, this article provides mongodb to create a database, insert data, connect to the mongodb database and query data and other code instances, friends can refer to the next, preparation
1. Create a tabl
Node. js mongodb ReplSet, node. jsmongodb
With the rise of web, applications with high concurrency and large data size have increasingly obvious performance requirements for Rapid database response. traditional relational databases are somewhat weak in this regard. The emergence of memory DB makes up for the shortcomin
: Because the MongoDB version corresponding to Cloud Foundry is 2.0, avoid inconsistency between the local test environment and Cloud Foundry. Select the corresponding version whenever possible.
Decompress it to any folder, such as: {drive letter}: \ DevTools \ mongodb-2.0.7.
Add:
Export db_home = {drive letter}: \ DevTools \ mongodb-2.0.7
Path + = % MONGODB_HOME
With the rise of cloud computing, many vendors have launched their own cloud computing platforms, such as VMware, Amazon, Google, and Microsoft. This article will introduce the cloud computing platform of VMware-CloudFoundry. This article will use Node. js + MongoDB to build CloudFoundry-based... SyntaxHi
With the rise of cloud computing, many vendors have launch
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