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QStudent(ID, name, dept name, tot_cred) In this query which attribute form the primary key?

ID: #2611 RDBMS 26,365 views
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  • A Name ✔ ✖
  • B Dept ✔ ✖
  • C Tot_cred ✔ ✖
  • D ID ✔ ✖
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ID The attributes name, dept and tot_cred can have same values unlike ID.
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