digraph {
  node [shape=box,margin=0,height=0]
  edge [arrowhead=open,style=dashed]
  rankdir="RL";

  users [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>users</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="name">★ name ''</td></tr>
      <tr><td port="email">★ email ''</td></tr>
      <tr><td port="password">password ''</td></tr>
      <tr><td port="salt">salt ''</td></tr>
      <tr><td port="deleted">deleted ✓</td></tr>
    </table>
  >]

  applications [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>applications</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="name">name ''</td></tr>
    </table>
  >]

  permissions [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>permissions</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="user_id">user_id #</td></tr>
      <tr><td>create_app ✓</td></tr>
      <tr><td>manage_users ✓</td></tr>
      <tr><td>manage_permissions ✓</td></tr>
      <tr><td>manage_apps ✓</td></tr>
      <tr><td>manage_keys ✓</td></tr>
      <tr><td>issue_key ✓</td></tr>
    </table>
  >]

  user_access [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>user_access</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="user_id">user_id #</td></tr>
      <tr><td port="app_id">app_id #</td></tr>
      <tr><td port="crud">crud ''</td></tr>
    </table>
  >]

  auth_keys [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>auth_keys</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="key">★ key ''</td></tr>
      <tr><td port="app_id">app_id #</td></tr>
      <tr><td port="read_data">read_data ✓</td></tr>
      <tr><td port="hash">★ hash ''</td></tr>
      <tr><td port="name">name ''</td></tr>
    </table>
  >]

  categories [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>categories</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="name">★ name ''</td></tr>
      <tr><td port="app_id">app_id #</td></tr>
    </table>
  >, shape=box, margin=0]

  log [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>log</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="key_id">key_id #</td></tr>
      <tr><td port="app_id">app_id #</td></tr>
      <tr><td port="timestamp">timestamp #</td></tr>
      <tr><td port="category_id">category_id #</td></tr>
    </table>
  >]

  data [label=<
    <table border="0" cellborder="1" cellspacing="0">
      <tr><td border="2"><b>data</b></td></tr>
      <tr><td port="id">🔑 id</td></tr>
      <tr><td port="log_id">log_id #</td></tr>
      <tr><td port="key">key ''</td></tr>
      <tr><td port="value">value ''</td></tr>
    </table>
  >]

  data:log_id -> log:id [color=blue]
  permissions:user_id -> users:id [color=blue]
  log:key_id -> auth_keys:id [color=blue]
  auth_keys:app_id -> applications:id [color=blue]
  user_access:user_id -> users:id [color=red]
  user_access:app_id -> applications:id [color=red]
  log:app_id -> applications:id [color=blue]
  log:category_id -> categories:id [color=blue]
  categories:app_id -> applications:id [color=blue]
}
data_key [label=key]