\begin{itemize}
\raggedright
\onehalfspace
\item A `username' and `password' are requested by an application.
\item The username \linebreak
\texttt{admin} \linebreak
is supplied.
\item The password \linebreak
\texttt{wrongpw' OR 1=1; --} \linebreak
is supplied.
\item The application then generates the following valid SQL query: \linebreak
\texttt{SELECT * FROM users} \linebreak
\texttt{WHERE username = `admin'} \linebreak
\texttt{AND password = `wrongpw'} \linebreak
\texttt{OR 1=1; --'}
\end{itemize}