diff --git a/postgres/init.sql b/postgres/init.sql
index 96d5323..a501b0f 100644
--- a/postgres/init.sql
+++ b/postgres/init.sql
@@ -95,110 +95,3 @@ INSERT INTO payments (user_id, amount, description, date) VALUES (2, 20.00, 'Jav
 
 INSERT INTO user_payments (user_id, payment_id) VALUES (2, 1);
 INSERT INTO user_payments (user_id, payment_id) VALUES (2, 2);
-
--- Get users list including user role, payment, and courses data
-
--- Queries for testing the database
--- SELECT * FROM roles;
--- SELECT * FROM users;
--- SELECT * FROM user_roles;
--- SELECT * FROM profiles;
--- SELECT * FROM courses;
--- SELECT * FROM user_courses;
--- SELECT * FROM payments;
--- SELECT * FROM user_payments;
-
--- Query for getting the user and role data
--- SELECT users.username, roles.role_name FROM users
--- JOIN user_roles ON users.id = user_roles.user_id
--- JOIN roles ON user_roles.role_id = roles.id;
-
--- Query for getting the user and course data
--- SELECT users.username, courses.course_name FROM users
--- JOIN user_courses ON users.id = user_courses.user_id
--- JOIN courses ON user_courses.course_id = courses.id;
-
--- Query for getting the user and payment data
--- SELECT users.username, payments.amount FROM users
--- JOIN user_payments ON users.id = user_payments.user_id
--- JOIN payments ON user_payments.payment_id = payments.id;
-
--- Query for getting the profile data
--- SELECT users.username, profiles.first_name, profiles.last_name, profiles.email, profiles.phone FROM users
--- JOIN profiles ON users.id = profiles.user_id;
-
--- Query for getting the user, role, course, and payment data
--- SELECT users.username, roles.role_name, courses.course_name, payments.amount FROM users
--- JOIN user_roles ON users.id = user_roles.user_id
--- JOIN roles ON user_roles.role_id = roles.id
--- JOIN user_courses ON users.id = user_courses.user_id
--- JOIN courses ON user_courses.course_id = courses.id
--- JOIN user_payments ON users.id = user_payments.user_id
--- JOIN payments ON user_payments.payment_id = payments.id
--- JOIN profiles ON users.id = profiles.user_id;
-
--- Query for inserting a new user
--- INSERT INTO users (username, password) VALUES ('user1', 'user1');
-
--- Query for inserting a new profile
--- INSERT INTO profiles (user_id, first_name, last_name, email, phone) VALUES (3, 'User', 'User', '[email protected]', '1234567890');
-
--- Query for inserting a new role
--- INSERT INTO roles (role_name) VALUES ('user');
-
--- Query for inserting a new user role
--- INSERT INTO user_roles (user_id, role_id) VALUES (3, 2);
-
--- Query for inserting a new course
--- INSERT INTO courses (course_name) VALUES ('Course 4');
-
--- Query for inserting a new user course
--- INSERT INTO user_courses (user_id, course_id) VALUES (3, 4);
-
--- Query for inserting a new payment
--- INSERT INTO payments (user_id, amount) VALUES (3, 300.00);
-
--- Query for inserting a new user payment
--- INSERT INTO user_payments (user_id, payment_id) VALUES (3, 3);
-
--- Query for create and relate a new payment to an existing user at the same time
--- INSERT INTO payments (user_id, amount) VALUES ((SELECT id FROM users WHERE username = 'user1'), 300.00);
-
--- Query for updating a user
--- UPDATE users SET username = 'user2' WHERE id = 3;
-
--- Query for updating a profile
--- UPDATE profiles SET first_name = 'User2' WHERE user_id = 3;
-
--- Query for updating a role
--- UPDATE roles SET role_name = 'admin' WHERE id = 3;
-
--- Query for updating a course
--- UPDATE courses SET course_name = 'Course 5' WHERE id = 4;
-
--- Query for updating a payment
--- UPDATE payments SET amount = 400.00 WHERE id = 3;
-
--- Query for deleting a user
--- DELETE FROM users WHERE id = 3;
-
--- Query for deleting a profile
--- DELETE FROM profiles WHERE user_id = 3;
-
--- Query for deleting a role
--- DELETE FROM roles WHERE id = 3;
-
--- Query for deleting a course
--- DELETE FROM courses WHERE id = 4;
-
--- Query for deleting a payment
--- DELETE FROM payments WHERE id = 3;
-
--- Query for deleting a user role
--- DELETE FROM user_roles WHERE user_id = 3;
-
--- Query for deleting a user course
--- DELETE FROM user_courses WHERE user_id = 3;
-
--- Query for deleting a user payment
--- DELETE FROM user_payments WHERE user_id = 3;