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$\underbrace{\left. \begin{array}{rl} \mathtt{UPDATE句{\textstyle\texttt{:}}} & {\textstyle\texttt{\{}} \mathtt{UPDATE\ \overbrace{\mathsf{世界各国}}^\mathsf{テーブル名}} {\textstyle\texttt{\}}} \\
    \\
    \mathtt{SET句{\textstyle\texttt{:}}} & {\textstyle\texttt{\{}} {\mathtt{SET\ \overbrace{\mathsf{人口}}^\mathsf{カラム名} =~} \overbrace{{\underbrace{\mathsf{人口}}_\mathsf{カラム名}~\mathtt{+}~\underbrace{\mathtt{1}}_\mathsf{直値}}}^\mathsf{式}} {\textstyle\texttt{\}}} \\
    \\
    \mathtt{WHERE句{\textstyle\texttt{:}}} & {\textstyle\texttt{\{}} {\mathtt{WHERE\ \overbrace{\overbrace{\mathsf{国名}}^\mathsf{カラム名}~\mathtt{=}~\overbrace{{\underbrace{\mathtt{'}\mathsf{日本}\mathtt{'}}_\mathsf{直値}}}^\mathsf{式}}^\mathsf{条件式}}{\textstyle\texttt{\}}}{\underbrace{\texttt{;}}_\mathsf{終了記号}}}
\end{array}
\right \}{\mathsf{(更新) \atop 文}}}_{\mathtt{SQLクエリ}}$
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