diff --git a/documentation/database/structure_database.pdf b/documentation/database/structure_database.pdf
deleted file mode 100644
index fdd0a10..0000000
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diff --git a/documentation/database/structure_database.png b/documentation/database/structure_database.png
new file mode 100644
index 0000000..d7d459d
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diff --git a/documentation/database/structure_database.uxf b/documentation/database/structure_database.uxf
index 6702c2a..3f3aaf2 100644
--- a/documentation/database/structure_database.uxf
+++ b/documentation/database/structure_database.uxf
@@ -1,105 +1,26 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<diagram program="umlet" version="14.3.0">
-  <zoom_level>10</zoom_level>
-  <element>
-    <id>UMLClass</id>
-    <coordinates>
-      <x>580</x>
-      <y>320</y>
-      <w>210</w>
-      <h>80</h>
-    </coordinates>
-    <panel_attributes>Stichwort
+<diagram program="umletino" version="14.3.0"><zoom_level>10</zoom_level><help_text>Database V0.1</help_text><element><id>UMLClass</id><coordinates><x>705</x><y>360</y><w>210</w><h>80</h></coordinates><panel_attributes>keywords
 --
-PK: s_id
-FK: username
-Stichwort</panel_attributes>
-    <additional_attributes/>
-  </element>
-  <element>
-    <id>UMLClass</id>
-    <coordinates>
-      <x>580</x>
-      <y>100</y>
-      <w>210</w>
-      <h>130</h>
-    </coordinates>
-    <panel_attributes>User
+PK: s_id                              int(11)
+FK: email                  varchar(255)
+keyword                   varchar(255)</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>425</x><y>240</y><w>210</w><h>130</h></coordinates><panel_attributes>users
 --
-PK: username
-password
-user_id
-telegramname
-Rolle
-</panel_attributes>
-    <additional_attributes/>
-  </element>
-  <element>
-    <id>UMLClass</id>
-    <coordinates>
-      <x>930</x>
-      <y>80</y>
-      <w>210</w>
-      <h>90</h>
-    </coordinates>
-    <panel_attributes>Aktie
+PK: email                  varchar(255)
+password                  varchar(255)
+username                 varchar(255)
+telegram_user_id      varchar(255)
+admin                             tinyint(1)
+</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>705</x><y>150</y><w>210</w><h>70</h></coordinates><panel_attributes>shares
 --
-PK: a_id
-FK: username
-Aktiensymbol
-</panel_attributes>
-    <additional_attributes/>
-  </element>
-  <element>
-    <id>UMLClass</id>
-    <coordinates>
-      <x>200</x>
-      <y>320</y>
-      <w>210</w>
-      <h>130</h>
-    </coordinates>
-    <panel_attributes>Transaktion
+PK: a_id                              int(11)
+FK: email                  varchar(255)
+symbol                     varchar(255)
+</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>135</x><y>150</y><w>210</w><h>130</h></coordinates><panel_attributes>transaction
 --
-PK: t_id
-FK: username
-FK: Aktiensymbol
-Zeitpunkt
-Anzahl(+/-)
-Preis(+/-)
-</panel_attributes>
-    <additional_attributes/>
-  </element>
-  <element>
-    <id>Relation</id>
-    <coordinates>
-      <x>780</x>
-      <y>120</y>
-      <w>170</w>
-      <h>30</h>
-    </coordinates>
-    <panel_attributes>lt=&lt;-</panel_attributes>
-    <additional_attributes>150.0;10.0;10.0;10.0</additional_attributes>
-  </element>
-  <element>
-    <id>Relation</id>
-    <coordinates>
-      <x>400</x>
-      <y>120</y>
-      <w>200</w>
-      <h>260</h>
-    </coordinates>
-    <panel_attributes>lt=&lt;-</panel_attributes>
-    <additional_attributes>10.0;240.0;180.0;10.0</additional_attributes>
-  </element>
-  <element>
-    <id>Relation</id>
-    <coordinates>
-      <x>510</x>
-      <y>200</y>
-      <w>90</w>
-      <h>190</h>
-    </coordinates>
-    <panel_attributes>lt=&lt;-</panel_attributes>
-    <additional_attributes>70.0;170.0;10.0;10.0</additional_attributes>
-  </element>
-</diagram>
+PK: t_id                               int(11)
+FK: email                  varchar(255)
+symbol                     varchar(255)
+time                               datetime
+count                                 int(11)
+price                                     float
+</panel_attributes><additional_attributes></additional_attributes></element><element><id>Relation</id><coordinates><x>335</x><y>190</y><w>110</w><h>100</h></coordinates><panel_attributes>lt=&lt;&lt;-
+group=1</panel_attributes><additional_attributes>10;10;60;10;60;80;90;80</additional_attributes></element><element><id>Relation</id><coordinates><x>625</x><y>190</y><w>100</w><h>100</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>80;10;50;10;50;80;10;80</additional_attributes></element><element><id>Relation</id><coordinates><x>625</x><y>260</y><w>100</w><h>160</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>80;140;50;140;50;10;10;10</additional_attributes></element><element><id>UMLClass</id><coordinates><x>140</x><y>410</y><w>100</w><h>30</h></coordinates><panel_attributes>Database V0.1</panel_attributes><additional_attributes></additional_attributes></element></diagram>
\ No newline at end of file