From d988c227ccdd3878e923dd316ce79e17bf15b114 Mon Sep 17 00:00:00 2001
From: Mika <mika.bomm@outlook.com>
Date: Fri, 28 Mar 2025 16:24:18 +0100
Subject: [PATCH] Adapted er model

---
 crates/migration/erm.drawio | 339 +++++++++++++++++++++++++++++++-----
 1 file changed, 296 insertions(+), 43 deletions(-)

diff --git a/crates/migration/erm.drawio b/crates/migration/erm.drawio
index a4a6ad1..95607bf 100644
--- a/crates/migration/erm.drawio
+++ b/crates/migration/erm.drawio
@@ -1,122 +1,375 @@
 <mxfile host="65bd71144e">
     <diagram id="ZVGeBRT34x6V4W1wSxZ6" name="Page-1">
-        <mxGraphModel dx="1054" dy="827" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0">
+        <mxGraphModel dx="1746" dy="1187" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
             <root>
                 <mxCell id="0"/>
                 <mxCell id="1" parent="0"/>
-                <mxCell id="2" value="pgg Entity-Relationship-Model" style="text;html=1;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;" vertex="1" parent="1">
-                    <mxGeometry x="325" y="60" width="200" height="30" as="geometry"/>
+                <mxCell id="28" value="StudentGroupProject" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;whiteSpace=wrap;" vertex="1" parent="1">
+                    <mxGeometry x="490" y="380" width="210" height="180" as="geometry"/>
                 </mxCell>
-                <mxCell id="3" value="user" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;" vertex="1" parent="1">
-                    <mxGeometry x="40" y="200" width="180" height="150" as="geometry"/>
+                <mxCell id="29" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;html=1;" vertex="1" parent="28">
+                    <mxGeometry y="30" width="210" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="4" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;" vertex="1" parent="3">
+                <mxCell id="30" value="PK,FK1" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="29">
+                    <mxGeometry width="60" height="30" as="geometry">
+                        <mxRectangle width="60" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="31" value="StudentID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="29">
+                    <mxGeometry x="60" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="32" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;html=1;strokeColor=default;" vertex="1" parent="28">
+                    <mxGeometry y="60" width="210" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="33" value="PK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="32">
+                    <mxGeometry width="60" height="30" as="geometry">
+                        <mxRectangle width="60" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="34" value="GroupID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;html=1;whiteSpace=wrap;strokeColor=inherit;" vertex="1" parent="32">
+                    <mxGeometry x="60" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="41" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;html=1;strokeColor=default;" vertex="1" parent="28">
+                    <mxGeometry y="90" width="210" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="42" value="PK,FK2" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="41">
+                    <mxGeometry width="60" height="30" as="geometry">
+                        <mxRectangle width="60" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="43" value="ProjectID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="41">
+                    <mxGeometry x="60" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="35" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;html=1;" vertex="1" parent="28">
+                    <mxGeometry y="120" width="210" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="36" value="FK3" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="35">
+                    <mxGeometry width="60" height="30" as="geometry">
+                        <mxRectangle width="60" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="37" value="GroupID, LearningFieldID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="35">
+                    <mxGeometry x="60" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="38" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;html=1;" vertex="1" parent="28">
+                    <mxGeometry y="150" width="210" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="39" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="38">
+                    <mxGeometry width="60" height="30" as="geometry">
+                        <mxRectangle width="60" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="40" value="Row 4" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;html=1;whiteSpace=wrap;" vertex="1" parent="38">
+                    <mxGeometry x="60" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="44" value="Project" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;" vertex="1" parent="1">
+                    <mxGeometry x="100" y="620" width="180" height="180" as="geometry"/>
+                </mxCell>
+                <mxCell id="45" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;" vertex="1" parent="44">
                     <mxGeometry y="30" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="5" value="PK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="4">
+                <mxCell id="46" value="PK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="45">
                     <mxGeometry width="30" height="30" as="geometry">
                         <mxRectangle width="30" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="6" value="UUID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="4">
+                <mxCell id="47" value="ProjectID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="45">
                     <mxGeometry x="30" width="150" height="30" as="geometry">
                         <mxRectangle width="150" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="7" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="3">
+                <mxCell id="120" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="44">
                     <mxGeometry y="60" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="8" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="7">
+                <mxCell id="121" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="120">
                     <mxGeometry width="30" height="30" as="geometry">
                         <mxRectangle width="30" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="9" value="Name" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="7">
+                <mxCell id="122" value="Row 1" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="120">
                     <mxGeometry x="30" width="150" height="30" as="geometry">
                         <mxRectangle width="150" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="10" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="3">
+                <mxCell id="48" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="44">
                     <mxGeometry y="90" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="11" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="10">
+                <mxCell id="49" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="48">
                     <mxGeometry width="30" height="30" as="geometry">
                         <mxRectangle width="30" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="12" value="... alles andere vom LDAP" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="10">
+                <mxCell id="50" value="Row 1" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="48">
                     <mxGeometry x="30" width="150" height="30" as="geometry">
                         <mxRectangle width="150" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="13" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="3">
+                <mxCell id="51" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="44">
                     <mxGeometry y="120" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="14" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="13">
+                <mxCell id="52" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="51">
                     <mxGeometry width="30" height="30" as="geometry">
                         <mxRectangle width="30" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="15" value="role" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="13">
+                <mxCell id="53" value="Row 2" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="51">
                     <mxGeometry x="30" width="150" height="30" as="geometry">
                         <mxRectangle width="150" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="16" value="Bereiche" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;" vertex="1" parent="1">
-                    <mxGeometry x="270" y="200" width="180" height="150" as="geometry"/>
+                <mxCell id="54" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="44">
+                    <mxGeometry y="150" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="17" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;" vertex="1" parent="16">
+                <mxCell id="55" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="54">
+                    <mxGeometry width="30" height="30" as="geometry">
+                        <mxRectangle width="30" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="56" value="Row 3" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="54">
+                    <mxGeometry x="30" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="57" value="Group" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;" vertex="1" parent="1">
+                    <mxGeometry x="100" y="410" width="180" height="180" as="geometry"/>
+                </mxCell>
+                <mxCell id="58" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="57">
                     <mxGeometry y="30" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="18" value="PK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="17">
-                    <mxGeometry width="30" height="30" as="geometry">
-                        <mxRectangle width="30" height="30" as="alternateBounds"/>
+                <mxCell id="59" value="PK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="58">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="19" value="UUID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="17">
-                    <mxGeometry x="30" width="150" height="30" as="geometry">
-                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                <mxCell id="60" value="GroupID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="58">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="20" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="16">
+                <mxCell id="106" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;" vertex="1" parent="57">
                     <mxGeometry y="60" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="21" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="20">
-                    <mxGeometry width="30" height="30" as="geometry">
-                        <mxRectangle width="30" height="30" as="alternateBounds"/>
+                <mxCell id="107" value="PK, FK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="106">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="22" value="Name" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="20">
-                    <mxGeometry x="30" width="150" height="30" as="geometry">
-                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                <mxCell id="108" value="ProjectID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="106">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="23" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="16">
+                <mxCell id="61" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="57">
                     <mxGeometry y="90" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="24" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="23">
-                    <mxGeometry width="30" height="30" as="geometry">
-                        <mxRectangle width="30" height="30" as="alternateBounds"/>
+                <mxCell id="62" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="61">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="25" value="Row 2" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="23">
-                    <mxGeometry x="30" width="150" height="30" as="geometry">
-                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                <mxCell id="63" value="Row 1" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="61">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="26" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="16">
+                <mxCell id="64" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="57">
                     <mxGeometry y="120" width="180" height="30" as="geometry"/>
                 </mxCell>
-                <mxCell id="27" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="26">
+                <mxCell id="65" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="64">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="66" value="Row 2" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="64">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="67" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="57">
+                    <mxGeometry y="150" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="68" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="67">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="69" value="Row 3" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="67">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="70" value="student" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;" vertex="1" parent="1">
+                    <mxGeometry x="100" y="240" width="180" height="150" as="geometry"/>
+                </mxCell>
+                <mxCell id="71" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;" vertex="1" parent="70">
+                    <mxGeometry y="30" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="72" value="PK, FK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="71">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="73" value="userID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="71">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="74" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="70">
+                    <mxGeometry y="60" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="75" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="74">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="76" value="Row 1" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="74">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="77" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="70">
+                    <mxGeometry y="90" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="78" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="77">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="79" value="Row 2" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="77">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="80" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="70">
+                    <mxGeometry y="120" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="81" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="80">
+                    <mxGeometry width="50" height="30" as="geometry">
+                        <mxRectangle width="50" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="82" value="Row 3" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="80">
+                    <mxGeometry x="50" width="130" height="30" as="geometry">
+                        <mxRectangle width="130" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="91" value="" style="endArrow=none;html=1;rounded=0;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;edgeStyle=orthogonalEdgeStyle;" edge="1" parent="1" source="45" target="41">
+                    <mxGeometry relative="1" as="geometry">
+                        <mxPoint x="380" y="630" as="sourcePoint"/>
+                        <mxPoint x="540" y="630" as="targetPoint"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="92" value="M" style="resizable=0;html=1;whiteSpace=wrap;align=left;verticalAlign=bottom;" connectable="0" vertex="1" parent="91">
+                    <mxGeometry x="-1" relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="93" value="N" style="resizable=0;html=1;whiteSpace=wrap;align=right;verticalAlign=bottom;" connectable="0" vertex="1" parent="91">
+                    <mxGeometry x="1" relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="100" value="" style="endArrow=none;html=1;rounded=0;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;edgeStyle=orthogonalEdgeStyle;" edge="1" parent="1" source="71" target="29">
+                    <mxGeometry relative="1" as="geometry">
+                        <mxPoint x="380" y="630" as="sourcePoint"/>
+                        <mxPoint x="540" y="630" as="targetPoint"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="101" value="M" style="resizable=0;html=1;whiteSpace=wrap;align=left;verticalAlign=bottom;" connectable="0" vertex="1" parent="100">
+                    <mxGeometry x="-1" relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="102" value="N" style="resizable=0;html=1;whiteSpace=wrap;align=right;verticalAlign=bottom;" connectable="0" vertex="1" parent="100">
+                    <mxGeometry x="1" relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="103" value="" style="endArrow=none;html=1;rounded=0;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;edgeStyle=orthogonalEdgeStyle;" edge="1" parent="1" source="58" target="32">
+                    <mxGeometry relative="1" as="geometry">
+                        <mxPoint x="380" y="630" as="sourcePoint"/>
+                        <mxPoint x="540" y="630" as="targetPoint"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="104" value="M" style="resizable=0;html=1;whiteSpace=wrap;align=left;verticalAlign=bottom;" connectable="0" vertex="1" parent="103">
+                    <mxGeometry x="-1" relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="105" value="N" style="resizable=0;html=1;whiteSpace=wrap;align=right;verticalAlign=bottom;" connectable="0" vertex="1" parent="103">
+                    <mxGeometry x="1" relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="117" style="edgeStyle=orthogonalEdgeStyle;html=1;exitX=0;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;startArrow=classic;startFill=1;" edge="1" parent="1" source="106" target="45">
+                    <mxGeometry relative="1" as="geometry">
+                        <Array as="points">
+                            <mxPoint x="40" y="485"/>
+                            <mxPoint x="40" y="665"/>
+                        </Array>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="125" value="user" style="shape=table;startSize=30;container=1;collapsible=1;childLayout=tableLayout;fixedRows=1;rowLines=0;fontStyle=1;align=center;resizeLast=1;html=1;" vertex="1" parent="1">
+                    <mxGeometry x="100" y="60" width="180" height="150" as="geometry"/>
+                </mxCell>
+                <mxCell id="126" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=1;" vertex="1" parent="125">
+                    <mxGeometry y="30" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="127" value="PK" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;fontStyle=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="126">
                     <mxGeometry width="30" height="30" as="geometry">
                         <mxRectangle width="30" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
-                <mxCell id="28" value="Row 3" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="26">
+                <mxCell id="128" value="userID" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;fontStyle=5;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="126">
                     <mxGeometry x="30" width="150" height="30" as="geometry">
                         <mxRectangle width="150" height="30" as="alternateBounds"/>
                     </mxGeometry>
                 </mxCell>
+                <mxCell id="129" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="125">
+                    <mxGeometry y="60" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="130" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="129">
+                    <mxGeometry width="30" height="30" as="geometry">
+                        <mxRectangle width="30" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="131" value="role" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="129">
+                    <mxGeometry x="30" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="132" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="125">
+                    <mxGeometry y="90" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="133" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="132">
+                    <mxGeometry width="30" height="30" as="geometry">
+                        <mxRectangle width="30" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="134" value="Row 2" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="132">
+                    <mxGeometry x="30" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="135" value="" style="shape=tableRow;horizontal=0;startSize=0;swimlaneHead=0;swimlaneBody=0;fillColor=none;collapsible=0;dropTarget=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;top=0;left=0;right=0;bottom=0;" vertex="1" parent="125">
+                    <mxGeometry y="120" width="180" height="30" as="geometry"/>
+                </mxCell>
+                <mxCell id="136" value="" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;editable=1;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="135">
+                    <mxGeometry width="30" height="30" as="geometry">
+                        <mxRectangle width="30" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="137" value="Row 3" style="shape=partialRectangle;connectable=0;fillColor=none;top=0;left=0;bottom=0;right=0;align=left;spacingLeft=6;overflow=hidden;whiteSpace=wrap;html=1;" vertex="1" parent="135">
+                    <mxGeometry x="30" width="150" height="30" as="geometry">
+                        <mxRectangle width="150" height="30" as="alternateBounds"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="139" style="edgeStyle=orthogonalEdgeStyle;html=1;exitX=0;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;endArrow=none;endFill=0;startArrow=classic;startFill=1;" edge="1" parent="1" source="71" target="126">
+                    <mxGeometry relative="1" as="geometry">
+                        <Array as="points">
+                            <mxPoint x="40" y="285"/>
+                            <mxPoint x="40" y="105"/>
+                        </Array>
+                    </mxGeometry>
+                </mxCell>
             </root>
         </mxGraphModel>
     </diagram>