A school stores attendance records of its students on an Access database: The Attendance table has StudentName,StudentID,Grade,and DateAbsent columns: Each time a student is absent,an entry is made into the database: Which of the following statements is true?
A) To find the average number of days students of each grade are absent, Group By should be selected under Grade and Avg under StudentID.
B) To find the number of days each student is absent, Group By should be selected for StudentID and Count for DateAbsent.
C) To see which students were absent on a particular day, Group By should be selected for StudentName.
D) To see the number of students absent in a particular grade on a given day, Group By should be selected for both DateAbsent and StudentID.

Question

Quizplus · Accepted Answer

To find the number of days each student is absent, we need to group by StudentID and count the number of entries in the DateAbsent column. Grouping by Grade or StudentName would not provide this information.

A School Stores Attendance Records of Its Students on an Access