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CRUD

Status Codes Based On REST Methods

  1. In your own words, describe what each group of status code represents:
  • 100's = Informational status codes that inform the client that the header portion of the request has been received but not processed.
  • 200's = The request from the client was accepted.
  • 300's = The resource that is requested, is not available.
  • 400's = Client errors. Causes: timeouts, wrong URI, missing authentication, etc.
  • 500's = Server errors. Indicates a problem with an overwhelmed server.
  1. What is status code '202'?
  • 202 Accepted response status code indicates that the request has been accepted for processing,
    but the processing has not been completed; in fact, processing may not have started yet.
  1. What is a status code 308?
  • The resource requested has been definitively moved to the URL given by the Location headers.
  1. What code would you use if an update didn’t return data to a client?
  • 404
  1. What code would you use if a resource used to exist but no longer does?
  • 404
  1. What is the ‘Forbidden’ status code?
  • 403
  1. Why do we need to pull our MongoDB database string out of our server and put it into our .env?
  • So that your .env file has a reference to pull data from?
  1. What is middleware?
  • database middleware, application server middleware, message-oriented middleware,
    web middleware, and transaction-processing monitors.
  1. What does app.use(express.json()) do?
  • It parses incoming JSON requests and puts the parsed data in request. body
  1. What does the /:id mean in a route?
  • it is an id for the parent file?
  1. What is the difference between PUT and PATCH?
  • PUT is a method of modifying resource where the client sends data that updates the entire resource.
    PATCH is a method of modifying resources where the client sends partial data that is to be
    updated without modifying the entire data.
  1. How do you make a default value in a schema?
  • const schema = new Schema({
    name: String,
    description: { type: String, default: '' }
    });
  1. What does a 500 error status code mean?
  • Internal Server Error
  1. What is the difference between a status 200 and a status 201?
  • 201 was received and understood and is being processed.
  • 201 status code indicates that a request was successful and as a result, a resource has been created