add Student Analysis solution

Author: adminazhar

student-analysis.sql

@@ -0,0 +1,6 @@
+SELECT a.roll_number,a.name
+FROM student_information a
+INNER JOIN examination_marks b
+ON a.roll_number = b.roll_number
+GROUP BY b.roll_number
+HAVING SUM(b.subject_one + b.subject_two + b.subject_three) < 100;