The front end passes parameters to a backend system. The backend system executes SQL-style database commands with these parameters.
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\documentclass[convert={density=300,outext=.png}]{standalone} | |
% Tikz packages | |
\usepackage{tikz} | |
\usepackage{pgf-pie} | |
\usetikzlibrary{backgrounds} | |
\usetikzlibrary{decorations.text} | |
\usetikzlibrary{arrows,automata} | |
\usetikzlibrary{shapes.geometric} | |
\usetikzlibrary{positioning,calc} |
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