Unformatted text preview: (e.g. Mozart). i ) [4 points] A performance may be preceded by a single lecture analyzing the works that are going to be performed. A lecture must be given by one lecturer . i i) [2 points] A performance is always conducted by one conductor . iv) [6 points] A performance includes a (positive) number of compositions . For a particular performance , each composition is performed by one ensemble (orchestra). An ensemble is comprised of a positive number of musicians . Every musician may participate in one ensemble . Name_________________________________________- 6 -Any combination al owed. -1 for each missing edge, either -1-1-1-1-1-1-1-1-2-1-1...
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- Fall '08
- Entity-relationship model, Lecturer, following ER diagram, Zellerbach Hall