Question

Describe the differences inmeaning between the terms relation and relation schema. Illustrate your answer by referring to your solution to Exercise below.
student (student-id, name, program)
course (courseno, title, syllabus, credits)
course-offering (courseno, secno, year, semester, time, room)
instructor (instructor-id, name, dept, title)
enrols (student-id, courseno, secno, semester, year, grade)
teaches (courseno, secno, semester, year, instructor-id)
requires (maincourse, prerequisite)


$1.99
Sales0
Views295
Comments0
  • CreatedJanuary 28, 2011
  • Files Included
Post your question
5000