Q fided and added separation for each script

makefile

@@ -7,6 +7,7 @@ all: $(SQL_FILES:.sql=.db)
 
 %.db: %.sql
 	sqlite3 $(DB_NAME) < $<
+	@echo ==============================
 
 clean:
 	rm -f $(DB_NAME)

q.sql

@@ -1,6 +1,12 @@
 --Is there more than one student with the same name? If so, who are these students? [7]
 
-SELECT firstName, lastName, count(*) as nbrOfStudents
+-- Selects duplicate students and counts them
-FROM Students
+-- SELECT firstName, lastName, count(*) as nbrOfStudents
-GROUP BY firstName, lastName
+-- FROM Students
-HAVING count(*) > 1;
+-- GROUP BY firstName, lastName
+-- HAVING count(*) > 1;
+
+-- Selects all students with the same name, no grouping
+SELECT DISTINCT S1.firstName, S1.lastName, S1.pNbr
+FROM Students S1, Students S2
+WHERE S1.firstName = S2.firstName AND S1.lastName = S2.lastName AND NOT S1.pNbr = S2.pNbr