Inserting table and figure vertically in a full page
\documentclass{article}
\usepackage{rotating} % <-- HERE
\begin{document}
blabla dummy text
\begin{sidewaystable} % <-- HERE
\centering
\begin{tabular}{cccccccc}\hline
dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text \\\hline
dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text \\
dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text \\
dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text \\
dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text \\
dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text & dummy text \\\hline
\end{tabular}
\caption{Some caption to the table.}
\end{sidewaystable} % <-- HERE
\end{document}