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Last active December 7, 2021 15:51
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Redis, Cron job and websockets discussion questions
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redisDiscussion.md

Redis, Websockets and cron Discussion

Write your answers in the comment section below:

  • What is Redis? Mention one use case of Redis.
  • What type of database is Redis and where does it hold its data?
  • What is Websocket and what is it used for?
  • Explain 3 use cases for CRON jobs.
  • What are the 3 types of design patterns in Nodejs?
@mkkasem
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mkkasem commented Dec 7, 2021 •
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  • Fast, open-source in-memory data store for use as a database, cache, message broker, and queue.

  • it is a key-value database that holds the data in the memory(or RAM)

  • The WebSocket API is an advanced technology that makes it possible to open a two-way interactive communication session between the user's browser and a server. With this API, you can send messages to a server and receive event-driven responses without having to poll the server for a reply.

  1. sending birthday wishes for users on their birthday's
  2. check the availability of everything (internally + externally)
    3-backup databases on our cloud provider

-Creational - the creation of the object instances
Structural - the way the objects are designed
Behavioural - how objects interact with each other

@ eniz @ ceren @ yaman

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