-----Mongo DB-----

1. Open Source document db
2. NoSQL Database
3. Collection used to hold documents
4. Document : set of key-value pair JSON, dynamic schema ----RDBMS------ ----MONGODB-----------

• Database Database
• Table Collection
• Tuple/Row Document
• Column Field
• Primary Key _id key (12 bytes hexadecimal number)

5. Advantages of MongoDB

   • Schemaless
   • Faster
   • Scalable

   -------Mongoose : ODM Library---------

6. Object Data Modelling Library for MongoDB And Nodejs

7. Used to translate between object in node app and representation of those object in MongoDB

8. Define Schema/structure for storing documents in a collection

   • Schema type (String,Number,Boolen)
   • Option (required,defualt...)

9. Create Model similar to collection where we can store documents

10. Install mongoose : npm i mongoose

11. Define connection between mongoDb and Node using mongoose

    • create folder in server : DB folder
    • Create a js file to define connection
      • import mongoose