The following operations are supported. For a formal definition, please review the Service Description.

• GetDwarf
  returns a dataset containing one Dwarf
• GetAllMountains
  returns a dataset containing all Mountains
• GetSingleDwarves
  returns a dataset containing all unmarried Dwarves
• AddDwarf
  adds a Dwarf; returns dwarf_id
• UpdateDwarf
  updates a Dwarf
• UpdateMountain
  updates a Mountain
• GetMountain
  returns a dataset containing one Mountain
• AddMountain
  adds a Mountain; returns mountain_id
• MarryDwarves
  marries two Dwarves
• GetAllDwarves
  returns a dataset containing all Dwarves