I create a table as follows:
\usepackage{datatool}
\begin{document}
\DTLnewdb{MaTable}
\end{document}
This table may be filled with several occurrences of
\DTLnewrow{MaTable}
\DTLnewdbentry{MaTable}{key}{value}
My question is: How can I get the total number of rows of the table?