Mongo with Express Tutorial

MongoDB and ExpressJS are a powerful pair for web development. MongoDB provides flexible data storage, while ExpressJS simplifies server-side logic. Together, they make it easy to create modern web applications efficiently. MongoDB’s document-based approach and ExpressJS’s streamlined backend development make it straightforward to build powerful web apps. This combination opens up vast opportunities in the web development landscape.

What is MongoDB?

MongoDB is a modern database that stores data in a flexible, document-based format. It’s like a digital filing system where information is stored in containers called documents, which can hold different types of data. MongoDB is known for its speed in retrieving information and its ability to adapt to changing needs, making it a popular choice for a wide range of applications.

What is ExpressJS?

Express is a small framework that works on top of Node web server functionality to simplify its APIs and add helpful new features. It makes it easier to organize your application’s functionality with middleware and routing. It adds helpful utilities to Node HTTP objects and facilitates the rendering of dynamic HTTP objects.

Why learn Mongo With Express?

To learn MongoDB with Express provides you with the tools to create dynamic and scalable web applications. MongoDB’s flexible document-based structure allows for easy adaptation to changing project needs, while ExpressJS simplifies the process of building robust server-side logic. By mastering these technologies, you gain the skills necessary to develop high-performance applications and access a wide range of career opportunities in web development.

Advantages of using Mongo with Express:

• Flexibility: MongoDB’s schema-less design allows for flexible data storage, making it easier to iterate on your application’s data model.
• Scalability: MongoDB’s horizontal scalability and sharding capabilities make it suitable for handling large volumes of data and high traffic loads.
• JSON-like Documents: MongoDB stores data in JSON-like documents, which align well with JavaScript and make integration with Express seamless.
• Performance: MongoDB’s NoSQL architecture and indexing capabilities enable fast read and write operations, improving overall application performance.
• Developer Productivity: MongoDB’s simplicity and ease of use, combined with Express’s minimalist framework, can accelerate development cycles and reduce time to market.
• Community Support: Both MongoDB and Express have large and active communities, providing extensive documentation, tutorials, and support resources for developers.

MongoDB Basic Concept:

• Introduction
• Database, Collection, and Document
• MongoDB Cursor
• DataTypes in MongoDB
• What is ObjectId in MongoDB
• What is a MongoDB Query?
• Create a Database using MongoShell
• Delete Database using MongoShell
• CRUD operations

MongoDB Installation

• How to Install and Configure MongoDB in Ubuntu?
• How to install MongoDB on MacOS?
• How to install MongoDB on Windows?

MongoDB Methods:

• Insert() Method
• insertOne() Method
• insertMany() Method
• Bulk.insert() Method
• bulkWrite() Method
• Update() Method
• updateOne() Method
• updateMany() Method
• Find() Method
• FindAndModify() Method
• sort() Method
• copyTo() Method
• count() Method
• countDocuments() Method
• drop() Method
• Remove() Method
• deleteOne() Method
• getIndexes() Method
• dropIndex() Method
• dropIndexes() Method

MongoDB Operators

Comparison Operators

• Comparison Query Operators
• $cmp Operator
• Greater than Operator $gt
• Less than Operator $lt
• Equality Operator $eq
• Less than equals to Operator $lte
• Greater than equals to Operator $gte
• Inequality Operator $ne
• $in Operator
• $nin Operator

Logical Operators

• Logical Query Operators
• AND operator ( $and )
• OR operator ( $or )
• NOT operator ( $not )
• NOR operator ( $nor )

Arithmetic Operators

• $add Operator
• $subtract Operator
• $multiply Operator
• $divide Operator
• $abs Operator
• $floor Operator
• $ceil Operator
• $mod Operator
• $sqrt Operator
• $pow Operator
• $exp Operator
• $log Operator
• $log10 Operator
• $ln Operator

Field Update Operators

• Field Update Operators
• Maximum operator ( $max )
• Minimum operator ( $min )
• Increment Operator ( $inc )
• Multiply Operator ($mul)
• Rename Operator ($rename)
• Current Date Operator ($currentDate)
• SetOnInsert Operator ($setOnInsert)
• Bitwise Update Operator

Array Expression Operators

• $isArray Operator
• $size Operator
• $arrayElemAt Operator
• $concatArrays Operator
• $reverseArray Operator

Array Update Operators

• $pull Operator
• $pop Operator
• $pullAll Operator
• $push Operator
• Positional Operator ($)
• All Positional Operator ($[])
• $position Modifier
• $addToSet Operator
• $each Modifier
• $sort Modifier
• $slice Modifier

String Expression Operators

• $concat Operator
• $strcasecmp Operator
• $toUpper Operator
• $toLower Operator
• $substrCP (aggregation) operator in MongoDB

Working with Documents and Collections

• Defining, Creating, and Dropping a MongoDB collection
• Adding and Querying the data in MongoDB
• How to Create Database & Collection in MongoDB
• Query Documents using Mongo Shell
• Insert Single Document Using MongoShell
• Insert Multiple Document Using MongoShell
• Update Single Document Using MongoShell
• Update Multiple Documents Using MongoShell
• Replace Documents Using MongoShell
• Delete Single Document Using MongoShell
• Delete Multiple Documents Using MongoShell
• Check the existence of the fields in the specified collection
• Sorting Documents in MongoDB
• Capped Collections in MongoDB

Indexing in MongoDB

• Indexing in MongoDB
• Index Types
• Compound Indexes
• Text Indexes
• Multikey Indexes

MongoDB Questions:

• What is a MongoDB Query?
• How MongoDB works ?
• How to get multiple requests with ExpressJS ?
• How to Create Database & Collection in MongoDB?
• How to Back Up and Restore a MongoDB Database?
• How to push data in a MongoDB document ?
• How to Deploy MongoDB App to Heroku?
• How to write a function to get rows from database by multiple columns conditionally ?
• How to check if a string is valid MongoDB ObjectId in Node.js ?
• How to connect MongoDB with ReactJS ?
• How to Connect Node to a MongoDB Database ?

MongoDB Advance

• Export data from MongoDB
• Import data to MongoDB
• Regex
• Projection
• Embedded Documents
• Query Embedded Documents Using Mongo Shell
• Aggregation in MongoDB
• How to Enable Authentication on MongoDB?
• Create a user and add a role in MongoDB
• Replication and Sharding
• Backup and Restoration

ExpressJS Basic Concept:

• Introduction to Express
• Steps to create Express Application
• Design first Application using Express
• How to Structure my Application in Express JS 
• Unique features of Express
• How to send response from server to client using Node and Express ?
• Why Express ‘app’ and ‘server’ files kept separately ?
• How to implement JWT authentication in Express app
• How to expire session after 1 min of inactivity in express-session of Express JS
• Express Error Handling

ExpressJS Methods:

Express express():

• express.json() Function
• express.raw() Function
• express.Router() Function
• express.static() Function
• express.text() Function
• express.urlencoded() Function
• express() function Complete Reference

Express Applications Function:

• app.locals Property
• app.mountpath Property
• Mount Event
• app.all() Function
• app.delete() Function
• app.disable() Function
• app.disabled() Function
• app.enable() Function
• app.enabled() Function
• Application Complete Reference

Express Requests Function:

• req.app Property
• req.baseUrl Property
• req.body Property
• req.cookies Property
• req.fresh Property
• req.accepts() Function
• req.acceptsCharsets() Function
• req.acceptsEncodings() Function
• req.acceptsLanguages() Function
• Request Complete Reference

Express Response Function:

• res.app Property
• res.headersSent Property
• res.locals Property
• res.append() Function
• res.attachment() Function
• res.cookie() Function
• res.clearCookie() Function
• res.download() Function
• res.end() Function
• Response Complete Reference

Express Router Function:

• router.all() Function
• router.METHOD() Function
• router.param() function
• router.route() Function
• router.use() Function
• Router Complete Reference

Important ExpressJS Packages:

• body-parser
• cookie-parser
• express-session
• morgan
• helmet
• cors
• dotenv

Express Advanced Concepts:

• Node vs Express
• Middlewares in Express
• How to update record in Cassandra using Express 
• What is the use of next() function in Express JS
• How to create custom middleware in express
• Why Express is used in Web Development
• What is Express Generator
• Express HTTP methods
• How to create routes using Express and Postman?
• Why Express Is Used For Enterprise App Development
• REST API using the Express to perform CRUD
• What is express-session middleware in Express