/full-stack-in-nutshell

FULL STACK IN NUTSHELL

WHAT is REST API?

REST means Represential State Transfer

The server creates the representation of a resource to be responded back to a client. This representation is normally in the form of JSON/XML

  1. Simple
  2. Scalable -> State Less
  3. Perfromace -> Caching

What is CRUD?

Create Read Update Delete

Use HTTP method to accompalish CRUD C - POST R - GET U - PUT D - DELETE

Also there is PATCH which is an update on parts of the existing object

Database

NoSql

MongoDB

Type of data

BSON not JSON

  • Compact and
  • Traversable
  • Integer
  • Decimal128
  • Date
  • Binary
  • GeoJSON

MongoDB Query API

db.collection.findOne() Match a single document

db.collection.find()

  • Return coursor

db.collection.aggregate()

  • Aggregate

findOne( , )

projection defines which field to take

db.movies.findOne({

},{ "title":1 // Think 1 and 0, like inclue and not include })

$match $project $sort $limit

mongodb-pattern