Validation refers to a set of activities that ensure that software that has been built is traceable to the customer requirements. "Are we building the right product?" "Confirmation by examination and ...

Validation is an automatic computer check to ensure that the data entered is sensible and reasonable. It does not check the accuracy of data. For example, a secondary school student is likely to be ...

How to use UNIQUE() to populate a dropdown in Microsoft Excel Your email has been sent Populating a dropdown with a dynamic list is easy thanks to Microsoft Excel’s UNIQUE() dynamic array function.