Text this: Translating relational schema with constraints into OODB schema

  _____    _    _     ______     ___     __   _   
 / ____|| | || | ||  /_   _//   / _ \\  | || | || 
/ //---`' | || | ||  `-| |,-   | / \ || | '--' || 
\ \\___   | \\_/ ||    | ||    | \_/ || | .--. || 
 \_____||  \____//     |_||     \___//  |_|| |_|| 
  `----`    `---`      `-`'     `---`   `-`  `-`