#data_model
digraph {
graph [rankdir=BT tooltip="Data Model" ]

node [margin=0 fontcolor = "#444444" ]

edge [color = "#555555", arrowsize = 1, ]

pack=true
packmode= "node"

  "airlines" [id = "airlines", label = <<TABLE ALIGN="LEFT" BORDER="1" CELLBORDER="0" CELLSPACING="0" COLOR="#9E5320AA">
    <TR>
      <TD COLSPAN="2" BGCOLOR="#ED7D31FF" BORDER="0"><FONT COLOR="#FFFFFF" POINT-SIZE="19">airlines</FONT>
</TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"><U>carrier</U></FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">name</FONT></TD>
    </TR>
  </TABLE>>, shape = "plaintext"] 

  "airports" [id = "airports", label = <<TABLE ALIGN="LEFT" BORDER="1" CELLBORDER="0" CELLSPACING="0" COLOR="#9E5320AA">
    <TR>
      <TD COLSPAN="2" BGCOLOR="#ED7D31FF" BORDER="0"><FONT COLOR="#FFFFFF" POINT-SIZE="19">airports</FONT>
</TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"><U>faa</U></FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">name</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">lat</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">lon</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">alt</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">tz</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">dst</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">tzone</FONT></TD>
    </TR>
  </TABLE>>, shape = "plaintext"] 

  "flights" [id = "flights", label = <<TABLE ALIGN="LEFT" BORDER="1" CELLBORDER="0" CELLSPACING="0" COLOR="#3C678EAA">
    <TR>
      <TD COLSPAN="2" BGCOLOR="#5B9BD5FF" BORDER="0"><FONT COLOR="#FFFFFF" POINT-SIZE="19">flights</FONT>
</TD>
    </TR>
    <TR>
      <TD COLSPAN="2" BGCOLOR="#C5DCF0FF" BORDER="0" COLOR="#000000"><FONT COLSPAN="2" BGCOLOR="#C5DCF0FF" BORDER="0" COLOR="#000000" POINT-SIZE="10">Flüge</FONT>
</TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">year</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">month</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">day</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">dep_time</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">sched_dep_time</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">dep_delay</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">arr_time</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">sched_arr_time</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">arr_delay</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">~</FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">carrier</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">flight</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">~</FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">tailnum</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">~</FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">origin</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">~</FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">dest</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">air_time</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">distance</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">hour</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">minute</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">~</FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">time_hour</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">~</FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#DEEBF6FF"><FONT POINT-SIZE="12">origin, time_hour</FONT></TD>
    </TR>
  </TABLE>>, shape = "plaintext"] 

  "planes" [id = "planes", label = <<TABLE ALIGN="LEFT" BORDER="1" CELLBORDER="0" CELLSPACING="0" COLOR="#9E5320AA">
    <TR>
      <TD COLSPAN="2" BGCOLOR="#ED7D31FF" BORDER="0"><FONT COLOR="#FFFFFF" POINT-SIZE="19">planes</FONT>
</TD>
    </TR>
    <TR>
      <TD COLSPAN="2" BGCOLOR="#F8D1B6FF" BORDER="0" COLOR="#000000"><FONT COLSPAN="2" BGCOLOR="#F8D1B6FF" BORDER="0" COLOR="#000000" POINT-SIZE="10">Flugzeuge</FONT>
</TD>
    </TR>
    <TR>
      <TD COLSPAN="2" BGCOLOR="#F8D1B6FF" BORDER="0" COLOR="#000000"><FONT COLSPAN="2" BGCOLOR="#F8D1B6FF" BORDER="0" COLOR="#000000" POINT-SIZE="10">l&#39;avion</FONT>
</TD>
    </TR>
    <TR>
      <TD COLSPAN="2" BGCOLOR="#F8D1B6FF" BORDER="0" COLOR="#000000"><FONT COLSPAN="2" BGCOLOR="#F8D1B6FF" BORDER="0" COLOR="#000000" POINT-SIZE="10">el &amp; &lt;&#34;avión flying in the sky&#34;&gt;</FONT>
</TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"><U>tailnum</U></FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">year</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">type</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">manufacturer</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">model</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">engines</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">seats</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">speed</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#FBE5D5FF"><FONT POINT-SIZE="12">engine</FONT></TD>
    </TR>
  </TABLE>>, shape = "plaintext"] 

  "weather" [id = "weather", label = <<TABLE ALIGN="LEFT" BORDER="1" CELLBORDER="0" CELLSPACING="0" COLOR="#4A732FAA">
    <TR>
      <TD COLSPAN="2" BGCOLOR="#70AD47FF" BORDER="0"><FONT COLOR="#FFFFFF" POINT-SIZE="19">weather</FONT>
</TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">origin</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">year</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">month</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">day</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">hour</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">temp</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">dewp</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">humid</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">wind_dir</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">wind_speed</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">wind_gust</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">precip</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">pressure</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12">visib</FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"><I>time_hour</I></FONT></TD>
    </TR>
    <TR>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"></FONT></TD>
      <TD ALIGN="LEFT" BGCOLOR="#E2EEDAFF"><FONT POINT-SIZE="12"><U>origin, time_hour</U></FONT></TD>
    </TR>
  </TABLE>>, shape = "plaintext"] 

"flights"->"airlines" [id="flights_1"]
"flights"->"airports" [id="flights_2"]
"flights"->"airports" [id="flights_3"]
"flights"->"planes" [id="flights_4"]
"flights"->"weather" [id="flights_5"]
"flights"->"weather" [id="flights_6"]
}
