2
node [shape=box]; course; institute; student;
3
node [shape=ellipse]; {node [label="name"] name0; name1; name2;}
5
node [shape=diamond,style=filled,color=lightgrey]; "C-I"; "S-C"; "S-I";
9
course -- "C-I" [label="n",len=1.00];
10
"C-I" -- institute [label="1",len=1.00];
12
institute -- "S-I" [label="1",len=1.00];
13
"S-I" -- student [label="n",len=1.00];
17
student -- "S-C" [label="m",len=1.00];
18
"S-C" -- course [label="n",len=1.00];
20
label = "\n\nEntity Relation Diagram\ndrawn by NEATO";