Database question

A: (20 points) The figure below is an E/R diagram about piamos, ther A typical manufacturer could be Steinway or Casio. be both, and some could be neither. For traditional pianos we re cal manufacturer could be Steinway or Casio. Typical names o Spinet, and (electronic) Keyboard. Pianos pianos, their manufacturers and f types are Crand. are either electronic or "traditional": some cord the wood from which it is Baby- Grand, both for electronic pianos, we record the processor used and the po wer. addr Mand Piano type or Piano model Traditiona Elertromic a) Convert this E/R diagram to a relational database schema, using the "E/R approach to handling the isa-hierarchy. b) Convert the same E/R diagram to a database schema using the "object oriented" approach to handling the isa-hierarchy