[AI] TP1 & TP2 - BENCHENINA Souhaib Meheni

AI/benchenina_souhaib/tp1_solution.sql

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+
+-- use the command "cat AI/benchenina_souhaib/tp1_solution.sql | ./sqlite3 dbtp.db" in the terminal to creat the tables of the first exercice
+
+-- making the skema first
+
+
+CREATE TABLE Professors (
+    professor_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    first_name TEXT NOT NULL,
+    last_name TEXT NOT NULL,
+    department TEXT
+);
+
+
+CREATE TABLE Students (
+    student_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    first_name TEXT NOT NULL,
+    last_name TEXT NOT NULL,
+    email TEXT UNIQUE,
+    enrollment_date DATE DEFAULT CURRENT_DATE
+);
+
+
+CREATE TABLE Courses (
+    course_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    course_name TEXT NOT NULL,
+    credits INTEGER CHECK (credits > 0),
+    professor_id INTEGER,
+    FOREIGN KEY (professor_id) REFERENCES Professors(professor_id)
+);
+
+
+CREATE TABLE Enrollments (
+    enrollment_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    student_id INTEGER,
+    course_id INTEGER,
+    FOREIGN KEY (student_id) REFERENCES Students(student_id),
+    FOREIGN KEY (course_id) REFERENCES Courses(course_id)
+);
+
+
+CREATE TABLE Grades (
+    grade_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    enrollment_id INTEGER,
+    score REAL CHECK (score >= 0 AND score <= 20),
+    term TEXT,
+    FOREIGN KEY (enrollment_id) REFERENCES Enrollments(enrollment_id)
+);
+
+
+-- putting in all the people now
+
+
+-- insterting the 6 techers 
+INSERT INTO Professors (first_name, last_name, department) VALUES 
+('Ahmed', 'Mansour', 'Computer Science'), 
+('Fatima', 'Zahra', 'Mathematics'), 
+('Omar', 'Al-Fayed', 'Physics'), 
+('Layla', 'Hassan', 'Computer Science'), 
+('Youssef', 'Berrada', 'Engineering'), 
+('Amira', 'Said', 'Mathematics');
+
+
+-- adding the 8 stundents
+INSERT INTO Students (first_name, last_name, email) VALUES 
+('Yassine', 'Idrissi', '[email protected]'), 
+('Khadija', 'Amrani', '[email protected]'), 
+('Mustafa', 'Alami', '[email protected]'), 
+('Sanaa', 'Tazi', '[email protected]'), 
+('Hamza', 'Bennis', '[email protected]'), 
+('Zineb', 'Toumi', '[email protected]'), 
+('Walid', 'Kabbaj', '[email protected]'), 
+('Meryem', 'Fassi', '[email protected]');
+
+
+
+-- the 7 lessons
+INSERT INTO Courses (course_name, credits, professor_id) VALUES 
+('Database Systems', 4, 1), 
+('Calculus I', 3, 2), 
+('Quantum Physics', 4, 3), 
+('Software Engineering', 4, 4), 
+('Data Structures', 4, 1), 
+('Linear Algebra', 3, 6), 
+('Thermodynamics', 3, 5);
+
+
+-- the 15 signs ups
+INSERT INTO Enrollments (student_id, course_id) VALUES 
+(1,1), (1,2), (2,1), (2,4), (3,1), (3,5), (4,2), (4,3), (5,4), (5,5), (6,6), (6,7), (7,1), (8,2), (8,7);
+
+
+-- lastly the 12 marks
+INSERT INTO Grades (enrollment_id, score, term) VALUES 
+(1, 18.5, 'Fall'), (2, 14.0, 'Fall'), (3, 16.0, 'Fall'), (4, 12.5, 'Fall'), 
+(5, 19.0, 'Fall'), (6, 15.5, 'Fall'), (7, 13.0, 'Fall'), (8, 17.5, 'Fall'), 
+(9, 11.0, 'Fall'), (10, 14.5, 'Fall'), (11, 16.5, 'Fall'), (12, 18.0, 'Fall');
+
+
+
+-- here are the 30 quaries
+
+
+-- just basic ones first
+SELECT * FROM Students;
+
+SELECT first_name, last_name FROM Professors;
+
+SELECT course_name, credits FROM Courses WHERE credits > 3;
+
+SELECT * FROM Students WHERE enrollment_date > '2024-01-01';
+
+SELECT DISTINCT department FROM Professors;
+
+
+
+-- joining tables together
+SELECT s.first_name, c.course_name FROM Students s JOIN Enrollments e ON s.student_id = e.student_id JOIN Courses c ON e.course_id = c.course_id;
+
+SELECT c.course_name, p.last_name FROM Courses c JOIN Professors p ON c.professor_id = p.professor_id;
+
+SELECT s.first_name, g.score FROM Students s JOIN Enrollments e ON s.student_id = e.student_id JOIN Grades g ON e.enrollment_id = g.enrollment_id;
+
+SELECT p.first_name, c.course_name FROM Professors p LEFT JOIN Courses c ON p.professor_id = c.professor_id;
+
+SELECT s.first_name, s.last_name, c.course_name, g.score FROM Students s JOIN Enrollments e ON s.student_id = e.student_id JOIN Courses c ON e.course_id = c.course_id JOIN Grades g ON e.enrollment_id = g.enrollment_id;
+
+
+
+-- maths and counting
+SELECT AVG(score) FROM Grades;
+
+SELECT COUNT(*) FROM Students;
+SELECT department, COUNT(*) FROM Professors GROUP BY department;
+
+SELECT course_id, COUNT(*) FROM Enrollments GROUP BY course_id;
+
+SELECT MAX(score) FROM Grades;
+
+
+-- sorting and filters
+SELECT * FROM Students ORDER BY last_name ASC;
+
+SELECT * FROM Courses WHERE credits BETWEEN 3 AND 4;
+
+SELECT * FROM Students WHERE email LIKE '%@univ.ma';
+
+SELECT * FROM Grades WHERE score >= 10;
+SELECT student_id, COUNT(*) FROM Enrollments GROUP BY student_id HAVING COUNT(*) > 1;
+
+
+
+-- fancy subquaries
+SELECT * FROM Students WHERE student_id IN (SELECT student_id FROM Enrollments WHERE course_id = 1);
+
+SELECT * FROM Courses WHERE professor_id = (SELECT professor_id FROM Professors WHERE last_name = 'Mansour');
+
+SELECT first_name FROM Students WHERE student_id IN (SELECT student_id FROM Enrollments JOIN Grades USING(enrollment_id) WHERE score > 16);
+
+SELECT * FROM Professors WHERE professor_id NOT IN (SELECT professor_id FROM Courses);
+
+SELECT course_name FROM Courses WHERE credits = (SELECT MAX(credits) FROM Courses);
+
+
+-- bits and bobs at the end
+UPDATE Grades SET score = 20 WHERE score > 19;
+SELECT s.first_name, AVG(g.score) FROM Students s JOIN Enrollments e ON s.student_id = e.student_id JOIN Grades g ON e.enrollment_id = g.enrollment_id GROUP BY s.student_id;
+
+SELECT term, COUNT(*) FROM Grades GROUP BY term;
+
+SELECT * FROM Students WHERE student_id NOT IN (SELECT student_id FROM Enrollments);
+
+SELECT department FROM Professors GROUP BY department HAVING COUNT(*) > 1;

AI/benchenina_souhaib/tp2_solution.sql

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+-- use the command "cat AI/benchenina_souhaib/tp2_solution.sql | ./sqlite3 dbtp.db" in the terminal to creat the tables of the first exercice
+-- making the hospital tables now
+
+CREATE TABLE Doctors (
+    doctor_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    first_name TEXT NOT NULL,
+    last_name TEXT NOT NULL,
+    specialization TEXT,
+    department TEXT,
+    phone TEXT
+);
+
+
+CREATE TABLE Patients (
+    patient_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    first_name TEXT NOT NULL,
+    last_name TEXT NOT NULL,
+    date_of_birth DATE,
+    gender TEXT,
+    address TEXT,
+    phone TEXT
+);
+
+
+CREATE TABLE Appointments (
+    appointment_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    patient_id INTEGER,
+    doctor_id INTEGER,
+    appointment_date DATETIME NOT NULL,
+    reason TEXT,
+    status TEXT DEFAULT 'Scheduled',
+    FOREIGN KEY (patient_id) REFERENCES Patients(patient_id),
+    FOREIGN KEY (doctor_id) REFERENCES Doctors(doctor_id)
+);
+
+
+CREATE TABLE Medications (
+    medication_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    dosage TEXT,
+    description TEXT
+);
+
+
+CREATE TABLE Prescriptions (
+    prescription_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    appointment_id INTEGER,
+    medication_id INTEGER,
+    instructions TEXT,
+    FOREIGN KEY (appointment_id) REFERENCES Appointments(appointment_id),
+    FOREIGN KEY (medication_id) REFERENCES Medications(medication_id)
+);
+
+
+-- putting in the data... hope I didnt miss anyone
+
+
+-- adding the 6 docctors
+INSERT INTO Doctors (first_name, last_name, specialization, department, phone) VALUES 
+('Hicham', 'El-Guerrouj', 'Cardiology', 'Internal Medicine', '0611223344'),
+('Nawal', 'El-Moutawakel', 'Pediatrics', 'Children Unit', '0622334455'),
+('Said', 'Aouita', 'Neurology', 'Neurological Sciences', '0633445566'),
+('Nesrine', 'Slama', 'General Medicine', 'Emergency', '0644556677'),
+('Mehdi', 'Benatia', 'Orthopedics', 'Surgery', '0655667788'),
+('Hakim', 'Ziyech', 'Dermatology', 'Outpatient', '0666778899');
+
+
+
+-- adding the 8 patiennts
+INSERT INTO Patients (first_name, last_name, date_of_birth, gender, address, phone) VALUES 
+('Soufiane', 'Rahimi', '1996-06-02', 'Male', 'Casablanca', '0701020304'),
+
+('Brahim', 'Diaz', '1999-08-03', 'Male', 'Tangier', '0702030405'),
+('Salma', 'Amani', '1992-04-15', 'Female', 'Rabat', '0703040506'),
+('Fatima', 'Tagnaout', '1999-01-20', 'Female', 'Agadir', '0704050607'),
+('Achraf', 'Hakimi', '1998-11-04', 'Male', 'Madrid', '0705060708'),
+
+('Youssef', 'En-Nesyri', '1997-06-01', 'Male', 'Fes', '0706070809'),
+
+('Sofyan', 'Amrabat', '1996-08-21', 'Male', 'Florence', '0707080910'),
+('Romain', 'Saïss', '1990-03-26', 'Male', 'Istanbul', '0708091011');
+
+
+-- setting up the 15 meets
+INSERT INTO Appointments (patient_id, doctor_id, appointment_date, reason, status) VALUES 
+(1, 1, '2026-02-20 09:00:00', 'Chest pain', 'Completed'),
+(2, 4, '2026-02-21 10:30:00', 'Flu symptoms', 'Scheduled'),
+(3, 2, '2026-02-21 14:00:00', 'Child checkup', 'Scheduled'),
+(4, 6, '2026-02-22 11:00:00', 'Skin rash', 'Scheduled'),
+(5, 1, '2026-02-23 08:45:00', 'Heart follow-up', 'Scheduled'),
+(6, 5, '2026-02-24 13:00:00', 'Knee injury', 'Completed'),
+(7, 3, '2026-02-25 15:30:00', 'Headache', 'Scheduled'),
+(8, 5, '2026-02-26 10:00:00', 'Back pain', 'Scheduled'),
+(1, 4, '2026-02-27 09:15:00', 'General fatigue', 'Scheduled'),
+(2, 1, '2026-02-28 11:30:00', 'Artery check', 'Scheduled'),
+
+(3, 2, '2026-03-01 14:45:00', 'Fever', 'Scheduled'),
+(5, 5, '2026-03-02 16:00:00', 'Ankle sprain', 'Scheduled'),
+(6, 6, '2026-03-03 09:00:00', 'Acne treatment', 'Scheduled'),
+(7, 3, '2026-03-04 11:00:00', 'Nerve test', 'Scheduled'),
+(8, 1, '2026-03-05 10:30:00', 'Blood pressure', 'Scheduled');
+
+
+
+-- some pills and stuff
+INSERT INTO Medications (name, dosage, description) VALUES 
+('Aspirin', '100mg', 'Blood thinner'),
+('Paracetamol', '500mg', 'Pain reliever'),
+('Amoxicillin', '250mg', 'Antibiotic'),
+('Loratadine', '10mg', 'Antihistamine');
+
+
+INSERT INTO Prescriptions (appointment_id, medication_id, instructions) VALUES 
+(1, 1, 'Once daily after breakfast'),
+(2, 2, 'Every 6 hours if fever'),
+(6, 2, 'Twice daily for pain'),
+(4, 4, 'Before bed');
+
+
+
+-- the big list of quaries for the hospital
+
+
+-- easy ones to start with
+SELECT * FROM Patients;
+
+SELECT first_name, last_name FROM Doctors WHERE specialization = 'Cardiology';
+
+SELECT * FROM Appointments WHERE status = 'Scheduled';
+
+SELECT name FROM Medications ORDER BY name ASC;
+
+SELECT DISTINCT department FROM Doctors;
+
+
+
+-- looking across different tables
+SELECT p.first_name, d.last_name, a.appointment_date FROM Patients p JOIN Appointments a ON p.patient_id = a.patient_id JOIN Doctors d ON a.doctor_id = d.doctor_id;
+
+SELECT a.appointment_id, m.name, pr.instructions FROM Appointments a JOIN Prescriptions pr ON a.appointment_id = pr.appointment_id JOIN Medications m ON pr.medication_id = m.medication_id;
+
+SELECT d.first_name, a.reason FROM Doctors d LEFT JOIN Appointments a ON d.doctor_id = a.doctor_id;
+
+SELECT p.first_name, a.status FROM Patients p JOIN Appointments a ON p.patient_id = a.patient_id WHERE a.doctor_id = 5;
+
+SELECT d.last_name, p.last_name FROM Doctors d JOIN Appointments a ON d.doctor_id = a.doctor_id JOIN Patients p ON a.patient_id = p.patient_id WHERE a.status = 'Completed';
+
+
+
+-- counting and stuff
+SELECT COUNT(*) FROM Patients;
+
+SELECT department, COUNT(*) FROM Doctors GROUP BY department;
+
+SELECT status, COUNT(*) FROM Appointments GROUP BY status;
+
+SELECT doctor_id, COUNT(*) FROM Appointments GROUP BY doctor_id HAVING COUNT(*) > 2;
+
+SELECT patient_id, COUNT(*) FROM Appointments GROUP BY patient_id;
+SELECT AVG(strftime('%Y', 'now') - strftime('%Y', date_of_birth)) AS avg_age FROM Patients;
+
+SELECT MAX(appointment_date) FROM Appointments;
+
+SELECT specialization, COUNT(*) FROM Doctors GROUP BY specialization;
+
+SELECT COUNT(DISTINCT patient_id) FROM Appointments;
+SELECT MIN(appointment_date) FROM Appointments WHERE status = 'Scheduled';
+
+
+
+-- bit more complext ones
+SELECT * FROM Patients WHERE patient_id IN (SELECT patient_id FROM Appointments WHERE doctor_id = 1);
+
+SELECT * FROM Doctors WHERE doctor_id NOT IN (SELECT doctor_id FROM Appointments);
+
+SELECT first_name FROM Patients WHERE patient_id IN (SELECT patient_id FROM Appointments WHERE reason LIKE '%pain%');
+
+SELECT * FROM Medications WHERE medication_id IN (SELECT medication_id FROM Prescriptions);
+SELECT * FROM Patients WHERE strftime('%Y', date_of_birth) > '1995';
+
+
+
+-- final lot of quaries
+
+
+SELECT * FROM Appointments WHERE appointment_date BETWEEN '2026-02-20' AND '2026-02-25';
+
+UPDATE Appointments SET status = 'Completed' WHERE appointment_id = 2;
+SELECT p.first_name, d.first_name, a.appointment_date FROM Patients p JOIN Appointments a ON p.patient_id = a.patient_id JOIN Doctors d ON a.doctor_id = d.doctor_id WHERE d.department = 'Internal Medicine';
+
+SELECT * FROM Patients WHERE address = 'Casablanca' OR address = 'Tangier';
+
+
+SELECT d.first_name, COUNT(a.appointment_id) AS total FROM Doctors d JOIN Appointments a ON d.doctor_id = a.doctor_id GROUP BY d.doctor_id ORDER BY total DESC;