\documentclass{jarticle}
\usepackage{datatool}

\begin{document}

\DTLloaddb{scores}{studentscores.csv}

\begin{table}[htbp]
\caption{Two Database Rows per Tabular Row}\label{tab:2rows}
\centering
\begin{tabular}{llc|llc}
\multicolumn{1}{c}{\textbf{姓}}&
\multicolumn{1}{c}{\textbf{名}}&
\multicolumn{1}{c|}{\textbf{評点}}&
\multicolumn{1}{c}{\textbf{姓}}&
\multicolumn{1}{c}{\textbf{名}}&
\multicolumn{1}{c}{\textbf{評点}}\relax
\DTLforeach{scores}{\firstname=FirstName,\surname=Surname,\score=Score}{\relax
\DTLifoddrow{\\}{&}\relax
\surname & \firstname & \score}\relax
\end{tabular}
\end{table}

\end{document}
