What do UX guidelines say about dropdown boxes in table cells?

1. Why would a drop-down list benefit a database designer?
2. What is dropdown in UX?
3. How many items should be in a drop-down?
4. Do dropdowns need labels?

Why would a drop-down list benefit a database designer?

Dropdowns do have their advantages. First, they conserve screen space. Because they are a standard widget (even if an unpleasant one), users know how to deal with them. And, when used in forms and for attribute selection, dropdown boxes prevent users from entering erroneous data, since they only show legal choices.

What is dropdown in UX?

A dropdown menu is a design pattern letting you display a list of contents, navigation points, and functions without flooding the user with many options simultaneously.

How many items should be in a drop-down?

Choosing Between a Listbox and a Dropdown List. Compared to using standalone checkboxes or radio buttons, it's better to use a listbox or dropdown list when there are 5 or more items from which users can choose.

Do dropdowns need labels?

Like other form inputs, a select menu should always have a label next to it (W3C standard). You should also have a clear and meaningful label (not generic ones like “None” or “Please select”) inside the select menu that tells users what exactly they're selecting.