Relationator
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Relationator
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University DB
Student
StudentID
integer
FirstName
string
LastName
string
Major
string
Course
CourseID
string
CourseName
string
Credits
integer
Enrollment
StudentID
integer
CourseID
string
Grade
string
Relational Algebra
Multiset Algebra
TRC
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Π
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{}
*
--
/* */
Π_{CourseName, Credits} (σ_{Major='CS'} (Student ⋈ Enrollment ⋈ Course))
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