Now, let’s use UNIQUE () to create a unique list of region values and then base a data validation dropdown on that list. First, let’s create the list shown in column H. Enter the following ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

You can add a drop-down list in Google Sheets to better organize data within your spreadsheet. To add a drop-down list, you'll have to use the Data Validation function in Google Sheets. Here's how ...

Take advantage of data annotations to decorate your models using attribute tags so that your application’s data definition can be managed in a single place.