Lists out all the groups and their associated hosts and application servers

list-groups.xqy

xquery version "1.0-ml";

element groups {
  for $grp in xdmp:groups()
  return
    (element group {attribute id {$grp}, element group-name {xdmp:group-name($grp)},
      for $host in xdmp:group-hosts($grp)
        return element host {attribute id {$host}, xdmp:host-name($host)},
      for $server in xdmp:group-servers($grp)
        return element server {attribute id {$server},xdmp:server-name($server)} 
  })
}