HTTP (Hypertext Transfer Protocol) methods define the types of actions that can be performed on a web server to retrieve, modify or delete information. The most commonly used HTTP methods are GET, POST, PATCH and DELETE. GET retrieves data, POST sends data to be processed, PATCH update or replace existing data, DELETE removes data.
GET: This HTTP method is used to retrieve data from a server. When a client sends a GET request to a server, the server will return a response that includes the requested data. This method is typically used to retrieve information from a database, to read a web page, or to download a file. The HTTP GET method is the default method used by web browsers to retrieve data from a server, as it is a safe and efficient way to request resources.
POST: The POST method is used to send data to a server to create or update a resource. When a client sends a POST request to a server, the server will process the request and create a new resource or update an existing one. This method is commonly used in web forms, where users enter information that is then sent to a server for processing.
PATCH: This method is similar to the POST method, but it is used to update only a part of a resource. When a client sends a PATCH request to a server, the server will update the resource with the new data provided in the request. This method is commonly used in REST APIs to update specific properties of a resource.
DELETE: The DELETE method is used to remove a resource from a server. When a client sends a DELETE request to a server, the server will delete the resource if it exists. This method is commonly used in REST APIs to remove a resource that is no longer needed or to undo a previous action.
CRUD stands for Create, Read, Update, and Delete, which are the basic operations that can be performed on a database or web application. These operations allow users to create new data, read existing data, update data, and delete data when necessary.