#+LATEX_CLASS: article
#+LATEX_HEADER: usepackage{graphicx}


#+begin_src latex :exports results :results latex
begin{table}
  caption{a table that scales to the linewidth}
  centering
  resizebox{linewidth}{!}{%
  begin{tabular}{ll}
    A & 1\
    B & 2\
  end{tabular}}
  label{tab:scaled}
end{table}
#+end_src

#+LATEX_CLASS: article
#+LATEX_HEADER: usepackage{graphicx}
#+CAPTION: a table that does not scale to the linewidth
#+LABEL: tab:uncaled
| A | 1 |
| B | 2 |

#+LATEX_CLASS: article
#+LATEX_HEADER: usepackage{graphicx}
#+CAPTION: a table that does not scale to the linewidth
#+ATTR_LATEX: :math-prefix resizebox{linewidth}{!}{% :math-suffix }
| A | 1 |
| B | 2 |

#+LATEX_CLASS: article
#+LATEX_HEADER: usepackage{graphicx}
#+LATEX_HEADER: usepackage{adjustbox}
#+begin_src latex :exports results :results latex
begin{table}
  caption{a table that scales to the linewidth}
  centering
  begin{adjustbox}{width=textwidth}
    begin{tabular}{ll}
      A & 1\
      B & 2\
    end{tabular}
  end{adjustbox}
  label{tab:scaled}
end{table}
#+end_src

begin{center}
begin{tabular}{lr}
A & 1\
B & 2\
end{tabular}
end{center}

#+begin_table
#+LATEX: caption{Description of table.}
#+LATEX: label{tab:my-table}
#+LATEX: centering
#+LATEX: adjustbox{max width=linewidth}{
#+ATTR_LATEX: :center nil
| A | 1 |
| B | 2 |
#+end_table

#+caption: Your table
#+ATTR_LATEX: :environment tabularx :width textwidth :align XX
| A | 1 |
| B | 2 |