Question

What is Data Validation? How to create a Data Validation Rule?

Answer 1

you make any data base create a data so use validation rule and because you can feel there wrong word ..in table

Answer 2

Data validation is the procedure of ensuring the delivery of clean and clear data to the programs, applications, and services using it.

Its main job is to check the integrity and validity of the data put in the different software.

You need to first select the cell that need rule and click on data validation on the data tab of the ribbon.