API Fundamentals
/Beginner
CRUD Operations
Definition
An acronym standing for Create, Read, Update, and Delete. These are the four basic functions of persistent storage in any database or API.
Explain Like I'm New
Almost everything you do on the internet is CRUD. Posting a tweet (Create). Scrolling your feed (Read). Editing a typo (Update). Removing a bad photo (Delete). REST APIs perfectly map these four actions to the four main HTTP Methods.
Real World Example
A Todo List app. Adding a task is Create. Viewing tasks is Read. Checking a task off is Update. Trash can icon is Delete.
Common Use Cases
- •Database interaction
- •API design pattern
Interactive Example
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Interview Questions
basic
- Which HTTP method maps to the 'Create' operation in CRUD?
intermediate
- Which HTTP method maps to the 'Read' operation?