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% Use \caption*{your caption} to suppress numbering
\section{Data}
\begin{table}[h]
\setlength{\arrayrulewidth}{1.5px}
\centering
\begin{tabular}{lcccc} \bottomrule
\bottomrule
\end{tabular}
\caption*{This is my caption.}
\end{table}
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\begin{table}
\begin{tabular}
\end{tabular}
\caption{\label{tab:table-name}Your caption.}
\end{table}
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\begin{table}[position specifier]
\centering
\begin{tabular}{|l|}
your table
\end{tabular}
\caption{This table shows some data}
\label{tab:myfirsttable}
\end{table}
Adding \endfirsthead and \endhead rule does the job.
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\begin{longtable}[p]{c p{14cm}}
\caption{Q sample}\\
\toprule
\textit{No.} & \multicolumn{1}{c}{\textit{Statements}} \\
\midrule
\endfirsthead
\caption[]{Q sample (continued)}\\
%\multicolumn{2}{c}%\\
\toprule
\textit{No.} & \multicolumn{1}{c}{\textit{Statements}} \\
\midrule
\endhead
\bottomrule
\multicolumn{2}{r}{{(\textit{table continues})}} \\
\endfoot
\endlastfoot
1 & It is respectable for academic chemists to be founders of new start-ups based on their research. \\
2 & A key goal for our Center is to effectively translate research into innovations. \\
3 & Academic chemistry \\
\bottomrule
\end{longtable}