Answer:
The importance of the data validation is that it is simple to check the data validation to ensure that the value that are appeared in the record are correctly entered in the particular field.
It is vital part in the application and ensure that the system work only on perfect and helpful information or data. The data validation basically check the accuracy and the quality of the data before using in the system.
We can avoid data entry error in many ways that are:
- For avoiding the data entry error we firstly ensure that the software is the latest version we used for the data entry purpose.
- We can also check manually and also we can again cross check the data.
- Avoiding overloading is the main method for avoiding the data entry error.