diff --git a/doc/datenbank.drawio b/doc/datenbank.drawio
index 096a414..2cd5d16 100644
--- a/doc/datenbank.drawio
+++ b/doc/datenbank.drawio
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diff --git a/doc/datenbank.drawio.pdf b/doc/datenbank.drawio.pdf
new file mode 100644
index 0000000..9d25212
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