diff --git a/diagrams/ER-db.drawio b/diagrams/ER-db.drawio
index 178f457..bbe2a04 100644
--- a/diagrams/ER-db.drawio
+++ b/diagrams/ER-db.drawio
@@ -62,7 +62,7 @@
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+          <mxGeometry x="320" y="130" width="180" height="190" as="geometry" />
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         <mxCell id="CW1ftrLNUtnkjzRNXEjj-28" 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;" parent="CW1ftrLNUtnkjzRNXEjj-27" vertex="1">
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@@ -85,35 +85,35 @@
             <mxRectangle width="30" height="30" as="alternateBounds" />
           </mxGeometry>
         </mxCell>
-        <mxCell id="CW1ftrLNUtnkjzRNXEjj-33" value="unit_id TEXT NOT NULL" 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;" parent="CW1ftrLNUtnkjzRNXEjj-31" vertex="1">
+        <mxCell id="CW1ftrLNUtnkjzRNXEjj-33" value="unit_id VARCHAR(100) NOT NULL" 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;" parent="CW1ftrLNUtnkjzRNXEjj-31" vertex="1">
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         </mxCell>
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-          <mxGeometry width="30" height="30" as="geometry">
-            <mxRectangle width="30" height="30" as="alternateBounds" />
+          <mxGeometry width="30" height="50" as="geometry">
+            <mxRectangle width="30" height="50" as="alternateBounds" />
           </mxGeometry>
         </mxCell>
-        <mxCell id="CW1ftrLNUtnkjzRNXEjj-36" value="" 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;" parent="CW1ftrLNUtnkjzRNXEjj-34" vertex="1">
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-            <mxRectangle width="150" height="30" as="alternateBounds" />
+        <mxCell id="CW1ftrLNUtnkjzRNXEjj-36" value="principal_name VARCHAR(200) NOT NULL" 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;" parent="CW1ftrLNUtnkjzRNXEjj-34" vertex="1">
+          <mxGeometry x="30" width="150" height="50" as="geometry">
+            <mxRectangle width="150" height="50" as="alternateBounds" />
           </mxGeometry>
         </mxCell>
         <mxCell id="CW1ftrLNUtnkjzRNXEjj-37" 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;" parent="CW1ftrLNUtnkjzRNXEjj-27" vertex="1">
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+          <mxGeometry width="30" height="50" as="geometry">
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+          <mxGeometry x="30" width="150" height="50" as="geometry">
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@@ -128,139 +128,145 @@
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