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【多选题】
Consider a relation Student(Sid,name,school,dean). In the database requirement, Sid is the ID of a student and there isn’t any two students with same Sid. Two students may have same name. A student have only one name. A student study in one school. And there is only one dean in a school. A teacher may act as the dean of two schools. Based on these facts, Which of the following FD’s hold in Student? (This is a multiple choice question)
A.
Sid → name
B.
name → school
C.
school → dean
D.
dean → school
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