What is CRUD? A Guide to Create, Read, Update, and Delete Operations

Crud stands for Create, Read, Update, and Delete. It is a term used in software development to describe the basic operations that can be performed on a resource or data entity within an application. These four operations are considered the fundamental building blocks of most applications, and they are often used as the basis for more complex functionality.

Here's a brief overview of each operation:

1. Create: This operation allows you to create a new instance of a resource or data entity within the application. For example, you might use this operation to create a new user account or to add a new product to a catalog.
2. Read: This operation allows you to retrieve an existing instance of a resource or data entity from the application. For example, you might use this operation to view the details of an existing user account or to retrieve a list of products from a catalog.
3. Update: This operation allows you to modify an existing instance of a resource or data entity within the application. For example, you might use this operation to update the information associated with an existing user account or to modify the price of a product in a catalog.
4. Delete: This operation allows you to delete an existing instance of a resource or data entity from the application. For example, you might use this operation to delete a user account that is no longer needed or to remove a product from a catalog.

The CRUD acronym is often used as a shorthand way of describing the basic functionality of an application, and it can be useful for identifying the key operations that need to be performed within a system.