[AI] TP1 & TP2 -BENRAHMOUNE Anes

submissions/AI/benrahmoune_anes/tp1_solutions.sql

@@ -0,0 +1,335 @@
+-- TP1: Gestion de l'Universite
+-- by: BENRAHMOUNE Anes
+
+-- Creation de la base de donnees
+CREATE DATABASE IF NOT EXISTS university_db;
+USE university_db;
+
+-- Creation des tables
+
+-- 1. Table Departements
+CREATE TABLE departments (
+    department_id INT PRIMARY KEY AUTO_INCREMENT,
+    department_name VARCHAR(100) NOT NULL,
+    building VARCHAR(50),
+    budget DECIMAL(12, 2),
+    department_head VARCHAR(100),
+    creation_date DATE
+);
+
+-- 2. Table Professeurs
+CREATE TABLE professors (
+    professor_id INT PRIMARY KEY AUTO_INCREMENT,
+    last_name VARCHAR(50) NOT NULL,
+    first_name VARCHAR(50) NOT NULL,
+    email VARCHAR(100) UNIQUE NOT NULL,
+    phone VARCHAR(20),
+    department_id INT,
+    hire_date DATE,
+    salary DECIMAL(10, 2),
+    specialization VARCHAR(100),
+    CONSTRAINT fk_prof_dept FOREIGN KEY (department_id) REFERENCES departments(department_id) 
+        ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+-- 3. Table Etudiants
+CREATE TABLE students (
+    student_id INT PRIMARY KEY AUTO_INCREMENT,
+    student_number VARCHAR(20) UNIQUE NOT NULL,
+    last_name VARCHAR(50) NOT NULL,
+    first_name VARCHAR(50) NOT NULL,
+    date_of_birth DATE,
+    email VARCHAR(100) UNIQUE NOT NULL,
+    phone VARCHAR(20),
+    address TEXT,
+    department_id INT,
+    level VARCHAR(20),
+    enrollment_date DATE DEFAULT (CURRENT_DATE),
+    CONSTRAINT chk_level CHECK (level IN ('L1', 'L2', 'L3', 'M1', 'M2')),
+    CONSTRAINT fk_stud_dept FOREIGN KEY (department_id) REFERENCES departments(department_id)
+        ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+-- 4. Table Cours
+CREATE TABLE courses (
+    course_id INT PRIMARY KEY AUTO_INCREMENT,
+    course_code VARCHAR(10) UNIQUE NOT NULL,
+    course_name VARCHAR(150) NOT NULL,
+    description TEXT,
+    credits INT NOT NULL,
+    semester INT,
+    department_id INT,
+    professor_id INT,
+    max_capacity INT DEFAULT 30,
+    CONSTRAINT chk_credits CHECK (credits > 0),
+    CONSTRAINT chk_semester CHECK (semester BETWEEN 1 AND 2),
+    CONSTRAINT fk_course_dept FOREIGN KEY (department_id) REFERENCES departments(department_id)
+        ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT fk_course_prof FOREIGN KEY (professor_id) REFERENCES professors(professor_id)
+        ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+-- 5. Table Inscriptions
+CREATE TABLE enrollments (
+    enrollment_id INT PRIMARY KEY AUTO_INCREMENT,
+    student_id INT NOT NULL,
+    course_id INT NOT NULL,
+    enrollment_date DATE DEFAULT (CURRENT_DATE),
+    academic_year VARCHAR(9) NOT NULL,
+    status VARCHAR(20) DEFAULT 'In Progress',
+    CONSTRAINT chk_status CHECK (status IN ('In Progress', 'Passed', 'Failed', 'Dropped')),
+    CONSTRAINT fk_enrol_stud FOREIGN KEY (student_id) REFERENCES students(student_id) ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT fk_enrol_course FOREIGN KEY (course_id) REFERENCES courses(course_id) ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT unique_enrollment UNIQUE (student_id, course_id, academic_year)
+);
+
+-- 6. Table Notes
+CREATE TABLE grades (
+    grade_id INT PRIMARY KEY AUTO_INCREMENT,
+    enrollment_id INT NOT NULL,
+    evaluation_type VARCHAR(30),
+    grade DECIMAL(5, 2),
+    coefficient DECIMAL(3, 2) DEFAULT 1.00,
+    evaluation_date DATE,
+    comments TEXT,
+    CONSTRAINT chk_eval_type CHECK (evaluation_type IN ('Assignment', 'Lab', 'Exam', 'Project')),
+    CONSTRAINT chk_grade_val CHECK (grade BETWEEN 0 AND 20),
+    CONSTRAINT fk_grade_enrol FOREIGN KEY (enrollment_id) REFERENCES enrollments(enrollment_id) ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- Indexation
+CREATE INDEX idx_stud_dept ON students(department_id);
+CREATE INDEX idx_crs_prof ON courses(professor_id);
+CREATE INDEX idx_enr_stud ON enrollments(student_id);
+CREATE INDEX idx_enr_crs ON enrollments(course_id);
+CREATE INDEX idx_grd_enr ON grades(enrollment_id);
+
+-- Insertion des donnees (Contexte Algerien)
+
+-- Departements (USTHB)
+INSERT INTO departments VALUES (NULL, 'Informatique', 'Bloc A', 500000.00, 'Dr. Mansouri', '1974-09-15');
+INSERT INTO departments VALUES (NULL, 'Mathematiques', 'Bloc B', 350000.00, 'Pr. Belhadj', '1974-09-15');
+INSERT INTO departments VALUES (NULL, 'Physique', 'Bloc C', 400000.00, 'Dr. Haddad', '1975-10-01');
+INSERT INTO departments VALUES (NULL, 'Genie Civil', 'Bloc D', 600000.00, 'Pr. Benali', '1980-01-20');
+
+-- Professeurs
+INSERT INTO professors (last_name, first_name, email, phone, department_id, hire_date, salary, specialization) VALUES
+('Brahimi', 'Abdelkader', 'a.brahimi@usthb.dz', '0550123456', 1, '2010-01-15', 95000.00, 'IA'),
+('Zitouni', 'Meriem', 'm.zitouni@usthb.dz', '0661987654', 1, '2015-09-01', 82000.00, 'BDD'),
+('Kaci', 'Lamine', 'l.kaci@usthb.dz', '0772345678', 1, '2018-02-10', 75000.00, 'Reseaux'),
+('Hamidi', 'Saliha', 's.hamidi@usthb.dz', '0555112233', 2, '2005-11-20', 110000.00, 'Analyse'),
+('Bouaziz', 'Redouane', 'r.bouaziz@usthb.dz', '0664556677', 3, '2012-03-15', 88000.00, 'Physique Quantique'),
+('Saidi', 'Omar', 'o.saidi@usthb.dz', '0770889900', 4, '2008-06-30', 105000.00, 'Beton');
+
+-- Etudiants
+INSERT INTO students (student_number, last_name, first_name, date_of_birth, email, phone, address, department_id, level) VALUES
+('24243101', 'Belkacem', 'Anis', '2003-05-12', 'anis.b@etu.usthb.dz', '0551001122', 'Bab Ezzouar, Alger', 1, 'L3'),
+('24243102', 'Messaoudi', 'Lina', '2004-11-25', 'lina.m@etu.usthb.dz', '0662003344', 'Alger Centre', 1, 'L2'),
+('24243103', 'Gherbi', 'Samy', '2002-02-14', 'samy.g@etu.usthb.dz', '0773005566', 'Draria, Alger', 2, 'M1'),
+('24243104', 'Ouali', 'Feriel', '2003-08-30', 'feriel.o@etu.usthb.dz', '0554007788', 'Boumerdes', 3, 'L3'),
+('24243105', 'Dahmani', 'Riad', '2001-12-05', 'riad.d@etu.usthb.dz', '0665009900', 'Oran', 4, 'M2'),
+('24243106', 'Taleb', 'Imane', '2004-04-18', 'imane.t@etu.usthb.dz', '0776001122', 'Skikda', 1, 'L2'),
+('24243107', 'Bensemra', 'Youcef', '2002-07-22', 'youcef.b@etu.usthb.dz', '0557003344', 'Bejaia', 2, 'L3'),
+('24243108', 'Amrani', 'Sara', '2003-01-10', 'sara.a@etu.usthb.dz', '0668005566', 'Constantine', 1, 'L3');
+
+-- Cours
+INSERT INTO courses (course_code, course_name, credits, semester, department_id, professor_id) VALUES
+('INF301', 'Bases de Donnees', 6, 1, 1, 2),
+('INF302', 'Systemes Exploitation', 5, 1, 1, 3),
+('MAT301', 'Algebre', 6, 1, 2, 4),
+('PHY301', 'Thermodynamique', 5, 2, 3, 5),
+('CIV301', 'RDM', 6, 1, 4, 6),
+('INF303', 'IA', 6, 2, 1, 1),
+('INF304', 'Web', 4, 2, 1, 2);
+
+-- Inscriptions
+INSERT INTO enrollments (student_id, course_id, academic_year, status) VALUES
+(1, 1, '2024-2025', 'In Progress'),
+(1, 2, '2024-2025', 'In Progress'),
+(1, 6, '2024-2025', 'In Progress'),
+(2, 1, '2024-2025', 'In Progress'),
+(2, 7, '2024-2025', 'In Progress'),
+(3, 3, '2024-2025', 'In Progress'),
+(4, 4, '2024-2025', 'In Progress'),
+(5, 5, '2024-2025', 'In Progress'),
+(6, 2, '2024-2025', 'In Progress'),
+(7, 3, '2024-2025', 'In Progress'),
+(8, 1, '2024-2025', 'In Progress'),
+(8, 6, '2024-2025', 'In Progress'),
+(1, 1, '2023-2024', 'Passed'),
+(3, 3, '2023-2024', 'Passed'),
+(5, 5, '2023-2024', 'Passed');
+
+-- Notes
+INSERT INTO grades (enrollment_id, evaluation_type, grade, coefficient, evaluation_date) VALUES
+(13, 'Exam', 14.50, 2.00, '2024-01-20'),
+(13, 'Assignment', 16.00, 1.00, '2023-11-15'),
+(14, 'Exam', 12.00, 2.00, '2024-01-22'),
+(14, 'Lab', 15.00, 1.00, '2023-12-10'),
+(15, 'Exam', 11.50, 2.00, '2024-01-25'),
+(1, 'Assignment', 17.00, 1.00, '2024-11-05'),
+(2, 'Assignment', 13.00, 1.00, '2024-11-10'),
+(3, 'Assignment', 15.50, 1.00, '2025-02-01'),
+(4, 'Assignment', 14.00, 1.00, '2024-11-12'),
+(6, 'Assignment', 12.50, 1.00, '2024-11-15'),
+(8, 'Assignment', 18.00, 1.00, '2024-11-20'),
+(11, 'Assignment', 10.00, 1.00, '2024-11-22');
+
+-- Solutions des requetes
+
+-- Q1
+SELECT last_name, first_name, email, level FROM students;
+
+-- Q2
+SELECT p.last_name, p.first_name, p.email, p.specialization 
+FROM professors p, departments d 
+WHERE p.department_id = d.department_id AND d.department_name = 'Informatique';
+
+-- Q3
+SELECT course_code, course_name, credits FROM courses WHERE credits > 5;
+
+-- Q4
+SELECT student_number, last_name, first_name, email FROM students WHERE level = 'L3';
+
+-- Q5
+SELECT course_code, course_name, credits, semester FROM courses WHERE semester = 1;
+
+-- Q6
+SELECT c.course_code, c.course_name, CONCAT(p.last_name, ' ', p.first_name) AS prof 
+FROM courses c LEFT JOIN professors p ON c.professor_id = p.professor_id;
+
+-- Q7
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, c.course_name, e.enrollment_date, e.status 
+FROM enrollments e, students s, courses c 
+WHERE e.student_id = s.student_id AND e.course_id = c.course_id;
+
+-- Q8
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, d.department_name, s.level 
+FROM students s LEFT JOIN departments d ON s.department_id = d.department_id;
+
+-- Q9
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, c.course_name, g.evaluation_type, g.grade 
+FROM grades g, enrollments e, students s, courses c 
+WHERE g.enrollment_id = e.enrollment_id AND e.student_id = s.student_id AND e.course_id = c.course_id;
+
+-- Q10
+SELECT CONCAT(p.last_name, ' ', p.first_name) AS prof, COUNT(c.course_id) AS nb_cours 
+FROM professors p LEFT JOIN courses c ON p.professor_id = c.professor_id 
+GROUP BY p.professor_id;
+
+-- Q11
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, ROUND(AVG(g.grade), 2) AS moyenne 
+FROM students s, enrollments e, grades g 
+WHERE s.student_id = e.student_id AND e.enrollment_id = g.enrollment_id 
+GROUP BY s.student_id;
+
+-- Q12
+SELECT d.department_name, COUNT(s.student_id) AS nb_etudiants 
+FROM departments d LEFT JOIN students s ON d.department_id = s.department_id 
+GROUP BY d.department_id;
+
+-- Q13
+SELECT SUM(budget) AS budget_total FROM departments;
+
+-- Q14
+SELECT d.department_name, COUNT(c.course_id) AS nb_cours 
+FROM departments d LEFT JOIN courses c ON d.department_id = c.department_id 
+GROUP BY d.department_id;
+
+-- Q15
+SELECT d.department_name, AVG(p.salary) AS salaire_moyen 
+FROM departments d, professors p 
+WHERE d.department_id = p.department_id 
+GROUP BY d.department_id;
+
+-- Q16
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, AVG(g.grade) AS moy 
+FROM students s, enrollments e, grades g 
+WHERE s.student_id = e.student_id AND e.enrollment_id = g.enrollment_id 
+GROUP BY s.student_id ORDER BY moy DESC LIMIT 3;
+
+-- Q17
+SELECT course_code, course_name FROM courses 
+WHERE course_id NOT IN (SELECT course_id FROM enrollments);
+
+-- Q18
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, COUNT(e.enrollment_id) AS nb 
+FROM students s, enrollments e 
+WHERE s.student_id = e.student_id AND e.status = 'Passed' 
+GROUP BY s.student_id;
+
+-- Q19
+SELECT CONCAT(p.last_name, ' ', p.first_name) AS prof, COUNT(c.course_id) AS nb 
+FROM professors p, courses c 
+WHERE p.professor_id = c.professor_id 
+GROUP BY p.professor_id HAVING nb > 2;
+
+-- Q20
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, COUNT(e.enrollment_id) AS nb 
+FROM students s, enrollments e 
+WHERE s.student_id = e.student_id 
+GROUP BY s.student_id HAVING nb > 2;
+
+-- Q21
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, AVG(g.grade) AS moy 
+FROM students s, enrollments e, grades g 
+WHERE s.student_id = e.student_id AND e.enrollment_id = g.enrollment_id 
+GROUP BY s.student_id, s.department_id 
+HAVING moy > (SELECT AVG(g2.grade) FROM grades g2, enrollments e2, students s2 
+              WHERE g2.enrollment_id = e2.enrollment_id AND e2.student_id = s2.student_id 
+              AND s2.department_id = s.department_id);
+
+-- Q22
+SELECT c.course_name, COUNT(e.enrollment_id) AS nb 
+FROM courses c, enrollments e 
+WHERE c.course_id = e.course_id 
+GROUP BY c.course_id 
+HAVING nb > (SELECT AVG(cnt) FROM (SELECT COUNT(*) as cnt FROM enrollments GROUP BY course_id) t);
+
+-- Q23
+SELECT CONCAT(p.last_name, ' ', p.first_name) AS prof, d.department_name 
+FROM professors p, departments d 
+WHERE p.department_id = d.department_id AND d.budget = (SELECT MAX(budget) FROM departments);
+
+-- Q24
+SELECT CONCAT(last_name, ' ', first_name) AS student, email 
+FROM students 
+WHERE student_id NOT IN (SELECT DISTINCT e.student_id FROM enrollments e, grades g WHERE e.enrollment_id = g.enrollment_id);
+
+-- Q25
+SELECT d.department_name, COUNT(s.student_id) AS nb 
+FROM departments d LEFT JOIN students s ON d.department_id = s.department_id 
+GROUP BY d.department_id 
+HAVING nb > (SELECT AVG(cnt) FROM (SELECT COUNT(*) as cnt FROM students GROUP BY department_id) t);
+
+-- Q26
+SELECT c.course_name, 
+       COUNT(g.grade_id) AS total, 
+       SUM(CASE WHEN g.grade >= 10 THEN 1 ELSE 0 END) AS admis,
+       (SUM(CASE WHEN g.grade >= 10 THEN 1 ELSE 0 END) / COUNT(g.grade_id)) * 100 AS taux
+FROM courses c, enrollments e, grades g
+WHERE c.course_id = e.course_id AND e.enrollment_id = g.enrollment_id
+GROUP BY c.course_id;
+
+-- Q27
+SELECT CONCAT(s.last_name, ' ', s.first_name) AS student, AVG(g.grade) AS moy 
+FROM students s, enrollments e, grades g 
+WHERE s.student_id = e.student_id AND e.enrollment_id = g.enrollment_id 
+GROUP BY s.student_id ORDER BY moy DESC;
+
+-- Q28
+SELECT c.course_name, g.evaluation_type, g.grade, g.coefficient 
+FROM grades g, enrollments e, courses c 
+WHERE g.enrollment_id = e.enrollment_id AND e.course_id = c.course_id AND e.student_id = 1;
+
+-- Q29
+SELECT CONCAT(p.last_name, ' ', p.first_name) AS prof, SUM(c.credits) AS total_credits 
+FROM professors p, courses c 
+WHERE p.professor_id = c.professor_id 
+GROUP BY p.professor_id;
+
+-- Q30
+SELECT c.course_name, COUNT(e.enrollment_id) AS inscrits, c.max_capacity 
+FROM courses c LEFT JOIN enrollments e ON c.course_id = e.course_id 
+GROUP BY c.course_id 
+HAVING (inscrits / c.max_capacity) > 0.8;