P and Q fixed
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parent
d85132eb46
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3 changed files with 15 additions and 1 deletions
2
makefile
2
makefile
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@ -1,5 +1,5 @@
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DB_NAME := lab.db
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DB_NAME := lab.db
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SQL_FILES := init.sql lab1.sql a.sql b.sql c.sql d.sql e.sql f.sql g.sql h.sql i.sql j.sql k.sql l.sql m.sql n.sql o.sql
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SQL_FILES := init.sql lab1.sql a.sql b.sql c.sql d.sql e.sql f.sql g.sql h.sql i.sql j.sql k.sql l.sql m.sql n.sql o.sql p.sql q.sql
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.PHONY: all clean
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.PHONY: all clean
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10
p.sql
Normal file
10
p.sql
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DROP VIEW IF EXISTS StudentsCredits;
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CREATE VIEW StudentsCredits AS
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SELECT Students.firstName, sum(credits) as totalCredits
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FROM Students
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JOIN TakenCourses ON Students.pNbr = TakenCourses.pNbr
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JOIN Courses ON TakenCourses.courseCode = Courses.courseCode
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GROUP BY Students.pNbr;
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SELECT * FROM StudentsCredits ORDER BY totalCredits DESC;
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4
q.sql
Normal file
4
q.sql
Normal file
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SELECT firstName, lastName, count(*) as nbrOfStudents
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FROM Students
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GROUP BY firstName, lastName
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HAVING count(*) > 1;
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