Readings: CRUD

Status Codes Based On REST Methods

In your own words, describe what each group of status code represents:

• 100’s = information response
• 200’s = Success code
• 300’s = redirection
• 400’s = front end error code
• 500’s = back end error code

What is a status code 202?

The request has been accepted.

What is a status code 308?

Permanent Redirect.

What code would you use if an update didn’t return data to a client?

400

What code would you use if a resource used to exist but no longer does?

301

What is the ‘Forbidden’ status code?

404

Build A REST API With Node.js, Express, & MongoDB

• Why do we need to pull our MongoDB database string out of our server and put it into our .env?

so DB is not hard coded and also .env provider a secure layer.

• What is middleware?

code that runs when the server get request and before pass to routes.

• What does app.use(express.json()) do?

let our server accept json as a body instead of a post/get element

• What does the /:id mean in a route?

  it’s a param that can use later

• What is the difference between PUT and PATCH?

PUT handles updates by replacing the entire entity, while PATCH only updates the fields that you give it.

• How do you make a default value in a schema?

by define inside the schema method

• What does a 500 error status code mean?

server side error code

• What is the difference between a status 200 and a status 201?

200: OK. The standard response for successful HTTP requests. 201: Created. The request has been fulfilled.