In some cases, you need to leave the select field blank without entering any of the default entries, so you can get the record without any information. But I can't find a way to do this. Could someone please help me?
Currently, this feature is not supported. However, when you create the options, you can add an empty option with a space to show an empty value when editing a post. Please check this screenshot https://imgur.com/nqLhRT2