It is now possible to clone fields in QuintaDB. Just click on 'Clone' link.
In order to copy form field just go to 'Form Builder' menu and find 'Clone' link at the right of each field.
Please, see it below.
November Update. Action (new field type), QuintaDB app on Zapier, Formula updates and more
Number of characters Validation
Field rules. How to make your form dynamic