Data pertaining to one particular student in the "Students" table.

Record

A column labeled "Email$\_$Id$"($in the "Students" table$)$

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A list of all students storing their student$\_$ids, names, email$\_$ids, and other such pertinent

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student data.

A column labeled "Student$\_$ID$"($in the "Enrollments" table$)$ used as a cross reference to keep track of which Student is enrolled in which course.

"Student$\_$ID$"$ that uniquely identifies a student $($in the "Students" table$)$