Final answer:
All types of fields mentioned—Text, Numeric, and Picklist—can be set as required in a database or a form. This function allows the designer to ensure that all necessary inputs are filled in by the user.
Step-by-step explanation:
The question pertains to which type of field can NOT be made required in a database or a form. The options are between a Text, Numeric, and Picklist field. The correct answer in this context is:
D) All of the above can be made required
It's important to understand that in databasing and form design, any type of field can be set as 'required' to ensure that users provide necessary information before proceeding. A Text field can be made required to ensure that alphanumeric information is entered, a Numeric field can be required for numbers, and a Picklist (often used for dropdown menus) ensures that the user selects an option before submitting the form.