Folllowings are some of the commonly used http methods: These methods basically corresponds to create, read, update and delete operations.

Http Method	CRUD	Purpose	Response
POST	CREATE	Used to create a record in the database	201 - created, 404 - Not Found, 409 - Conflict
GET	READ	Used to list records from the database	200 - Ok, 404 - Not Found
PUT	UPDATE	Used to update or replace record in database	405 - Not allowed, 200 - Ok, 204 - No Content, 404 - Not Found
PATCH	UPDATE	Used to update or modify the records in the database	200 - Ok, 204 - No Contents. 404 - Not Found
DELETE	DELETE	Used to delete a record from the table	200 - Ok, 404 - Page Not Found

1. POST - commonly used method to create new record or resource. Form is submitted via POST method and data submitted via this method can not be seen via browser url. When record is created successfully it returns with 201 status code.

2. GET - commonly used method to read single or multiple records or resource. It is basically read only method. It does not modify any data.

3. PUT - commonly used method to update data or to create data in case client supply the id that needs to be updated.

4. PATCH - commonly used method to update partial data in the database rather then supplying all data for a single record.

5. DELETE - commonly used method to delete a record or resource