CRUD is an acronym that stands:
Create
Read
Update
Delete
It is a set of common operations that are performed on data in a database or system.
In the context of API(Application Programming Interface), CRUD operation refer to the standard set of actions that can be performed on data via the API.
1. Create: this operation allows you to insert new data into the database. For example, if you have a database of customer, you could use the Create operation to add a new customer to the database.
2. Read: this operation allows you to retrieve data from the database. For example, you could use the Read operation to retrieve all of the customers in the database or to retrieve specific customer records.
3. Update: this operation allows you to modify existing data in the database. For example, if you have a database of products, you could use the Update operation to change the price of a specific product.
4. Delete: this operation allows you to remove data from the database. For example, you could use the Delete operation to remove a customer from the database.
CRUD operations are the basic building blocks of many database applications. They provide a simple, standardized way to manage data in a database, regardless of the specific database management system being used.