join up to 3 tables in MySQL - mysql

Question

I have tables are:
student{student_id as primery key,firstName, lastName};
teacher{teacher_id as primery key,firstName, lastName};
course{course_id as primery key,courseName, credits,teacher_id(forein key from teacher table)}
class{class_id as primery key,roomNumber,teacer_id forein_key from teacher,course_id forein key from course}
classStudent{student_id foreign key from student,class_id foreign key from class}
I want to retrive courseName, teacher first and last Name,roomNumber for specific student id.
my database:
CREATE TABLE `student` (
`student_id` int(10) NOT NULL,
`firstName` varchar(20) NOT NULL,
`lastName` varchar(20) NOT NULL,
`phone_number` int(8) NOT NULL,
`Email` varchar(40) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE `teacher` (
`teacher_id` int(10) NOT NULL,
`firstName` varchar(20) NOT NULL,
`lastName` varchar(20) NOT NULL,
`phone_number` int(8) NOT NULL,
`Email` varchar(40) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE `course` (
`course_id` varchar(10) NOT NULL,
`Course_Name` varchar(20) NOT NULL,
`Description` varchar(100) NOT NULL,
`credits` int(1) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
ALTER TABLE `class`
ADD PRIMARY KEY (`class_id`),
ADD KEY `classTeacher` (`teacher_id`),
ADD KEY `classCourse` (`course_id`);
ALTER TABLE `classstudent`
ADD PRIMARY KEY (`class_id`,`student_id`),
ADD KEY `studentClass` (`student_id`);
-- Constraints for table `class`
--
ALTER TABLE `class`
ADD CONSTRAINT `classCourse` FOREIGN KEY (`course_id`) REFERENCES `course` (`course_id`) ON UPDATE CASCADE,
ADD CONSTRAINT `classTeacher` FOREIGN KEY (`teacher_id`) REFERENCES `teacher` (`teacher_id`);
--
-- Constraints for table `classstudent`
--
ALTER TABLE `classstudent`
ADD CONSTRAINT `classstudent_ibfk_1` FOREIGN KEY (`class_id`) REFERENCES `class` (`class_id`),
ADD CONSTRAINT `studentClass` FOREIGN KEY (`student_id`) REFERENCES `student` (`student_id`);
ALTER TABLE `classstudent`
ADD PRIMARY KEY (`class_id`,`student_id`),
ADD KEY `studentClass` (`student_id`);
I am also new to stack-overflow so please tell me if thare is any note about my question.

Answer 1

Select course.courseName, teacher.firstName, teacher.lastName, class.roomNumber
from student
inner join classStudent
on student.student_id=classStudent.student_id
inner join class
on classStudent.class_id = class.class_id
Inner join course
On class.course_id = course.course_id
Inner join teacher
On course.teacher_id = teacher.teacher_id
Where student.student_id = ?