\documentclass{scrarticle}
\usepackage[style=greifswald, date=iso, urldate=iso, seconds=true]{biblatex}
\usepackage{biblatex-greifswald}
\addbibresource{biblatex-examples.bib}
\begin{document}
    \nocite{*}
    \printbibtabular[nottype=set]
\end{document}
% Note: [nottype=set] is necessary because biblatex-examples.bib includes entries of the type set, which are not supported. 