CRUD (Create, Read, Update, Delete) functionality is an essential feature in any application that deals with data. It is a set of operations that allow users to interact with data stored in a database. In this blog, we will explore the importance of CRUD functionality and how it works.
Create: The Create operation allows users to create new data entries in the database. This can be done using a web form or an API endpoint. When the user submits the data, it is sent to the server and stored in the database. The data is validated to ensure that it meets the required criteria before it is stored in the database.
Read: The Read operation allows users to retrieve data from the database. This can be done by querying the database using specific criteria. For example, a user might search for all the products in a specific category or all the users who have signed up in the last week. The data is returned in a format that can be easily understood by the user, such as a table or a list.
Update: The Update operation allows users to modify existing data in the database. This can be done using a web form or an API endpoint. When the user submits the updated data, it is sent to the server and stored in the database. The data is validated to ensure that it meets the required criteria before it is updated in the database.
Delete: The Delete operation allows users to remove data from the database. This can be done using a web form or an API endpoint. When the user confirms the deletion, the data is removed from the database. It is important to note that this operation should be used with caution, as it can result in the loss of important data.
Suppose, you are on Instagram and you create a post, this is called create functionality and now in that post after uploading you are trying to change the caption of the post, this is update functionality similarly you delete a post triggering delete functionality and while you are searching for an account to follow you are triggering read functionality as you are trying to search the account which Instagram will provide by reading from its database.
The above example, tells you that CRUD functionality is most crucial for big tech companies to maintain their product.
The importance of CRUD functionality: CRUD functionality is important for several reasons. First, it allows users to interact with data simply and intuitively. This makes it easier for users to manage their data and reduces the likelihood of errors.
Second, CRUD functionality ensures that data is consistent and accurate. When users create, read, update, and delete data using a standardized set of operations, the data remains consistent across the entire system.
Finally, CRUD functionality helps to ensure the security of the system. By controlling access to the Create, Read, Update, and Delete operations, the system can prevent unauthorized access to sensitive data.
In conclusion, CRUD functionality is an essential feature of any application that deals with data. It provides users with a simple and intuitive way to manage their data, ensures the consistency and accuracy of the data, and helps to ensure the security of the system.