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esercizio_2_29-11-24.tex
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\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{shapes,arrows.meta}
\begin{document}
\begin{tikzpicture}
\draw
%%* Attributi:
%% node[draw, circle, inner sep=1pt, fill=black]{}node[right]{\footnotesize A}
%%? Distanza orizzontale: E -(0.25,0.x)- A
%%? Distanza verticale: E -(0,x * 0.22)- A
%%* Cardinalità:a
%% node[below right]{\scriptsize $(0,N)$}
%% node[above right]{\scriptsize $(0,N)$}
%% node[midway, above]{\scriptsize $(0,N)$}
%%* Relazione:
%% node[draw, diamond, shape aspect=2, inner sep=3pt, anchor=90](r1){}
%% node[draw, diamond, shape aspect=2, inner sep=0.2pt, anchor=180](r2){R2}
%%* Entità:
%% node[draw, rectangle, anchor=90](e1){}
%%? Distanza verticale: E -(0.3)- R -(0.3) E
%%? Distanza orizzontale: E -(0.75)- R -(0.75)- E
%%* Serie
(0,0)node[draw, rectangle, anchor=90](serie){Serie}
(serie.170)--++(-0.25,0.15) node[draw, circle, inner sep=1pt, fill=black]{}node[left]{\footnotesize Codice}
(serie.190)--++(-0.25,-0.15)node[draw, circle, inner sep=1pt, fill=white]{}node[left]{\footnotesize Titolo}
(serie.90)++(0,0.2)node[above]{Schema 1}
%%* Materie
(serie.270)--++(0,-0.3)node[midway, right]{\scriptsize $(1,1)$}node[draw, diamond, shape aspect=2, inner sep=0.2pt, anchor=90](r1){\small Arg.}
(r1.270)--++(0,-0.3)node[midway, right]{\scriptsize $(0,N)$}node[draw, rectangle, anchor=90](materie){Materie}
(materie.170)--++(-0.25,0.15) node[draw, circle, inner sep=1pt, fill=black]{}node[left]{\footnotesize CM}
(materie.190)--++(-0.25,-0.15)node[draw, circle, inner sep=1pt, fill=white]{}node[left]{\footnotesize Materia}
%%* Persona con Affiliazione
(3,0)node[draw, rectangle, anchor=90, align=center](pca){Persona\\con Affiliazione}
(pca.90)++(0,0.2)node[above]{Schema 2}
%%* Persona
(pca.270)--++(0,-0.1)node[draw, circle, inner sep=0.5pt, fill=black](a){}--++(0,-0.2)node[right]{\scriptsize $(1,1)$}node[draw, diamond, shape aspect=2, inner sep=0.3pt, anchor=90](r7){\small PP}
(r7.270)--++(0,-0.3)node[midway, right]{\scriptsize $(0,N)$}node[draw, rectangle, anchor=90](persona){Persona}
(persona.170)--++(-0.25,0.15) node[draw, circle, inner sep=1pt, fill=black]{}node[left]{\footnotesize Codice}
(persona.190)--++(-0.25,-0.15)node[draw, circle, inner sep=1pt, fill=white]{}node[left]{\footnotesize Nome}
%%* Istituzione
(pca.0)--++(0.1,0)node[draw, circle, inner sep=0.5pt, fill=black](b){}--++(0.65,0)node[midway, above]{\scriptsize $(1,1)$}node[draw, diamond, shape aspect=2, inner sep=0.2pt, anchor=180](r8){\small Sede}
(r8.270)--++(0,-0.3)node[midway, right]{\scriptsize $(0,N)$}node[draw, rectangle, anchor=90](istituzione){Istituzione}
(istituzione.10)--++(0.25,0.15) node[draw, circle, inner sep=1pt, fill=black]{}node[right]{\footnotesize Codice}
(istituzione.350)--++(.25,-0.15)node[draw, circle, inner sep=1pt, fill=white]{}node[right]{\footnotesize Nome}
(a)++(-0.2,0)node[draw, circle, inner sep=1pt, fill=black]{}-|(b)--++(0,0.2)
;
\end{tikzpicture}
\end{document}