CRUD is an acronym that stands for Create, Read, Update, and Delete. It represents the four basic operations that can be performed on data within most database systems or applications.
CRUD operations in the context of RESTful APIs
- Create: POST
- Read: GET
- Update: PUT (replace entire resource) or PATCH (partial update)
- Delete: DELETE
- POST: Used to create a new resource on the server. The request body typically contains the data for the new resource.
- GET: Used to fetch existing data or records from the server or database.
- PUT: Used to update an existing resource on the server. The entire resource is replaced with the new data provided in the request body.
- PATCH: Used to apply partial updates to an existing resource. The request body contains only the changes to be applied to the resource.
- DELETE: Used to remove a resource from the server.
Conclusion
CRUD operations are fundamental to database management and are used extensively in various types of applications, including web applications, mobile apps, and enterprise systems. They provide a standard framework for interacting with data and are essential for maintaining data integrity, managing information effectively, and supporting essential functionalities within an application.