Syntax Error while creating a table in SQL - mysql

Question

I am trying this query and despite several attempts, I am still getting a syntax error when I create Table Call. The other tables get created just fine.. I don't understand why
Code for Student
CREATE TABLE Student (
`student_id` int NOT NULL AUTO_INCREMENT,
`phone_number` varchar(50) NOT NULL,
`name` varchar(50) NOT NULL,
`school` varchar(50) NOT NULL,
`class` varchar(50) NOT NULL,
PRIMARY KEY (`student_id`)
)
Table Stories
CREATE TABLE Stories (
`story_id` int NOT NULL AUTO_INCREMENT,
`story_name` varchar(50) NOT NULL,
`number_questions` int NOT NULL,
`file_name` varchar(100) NOT NULL,
PRIMARY KEY (`story_id`)
)
Table Questions
CREATE TABLE Questions (
`question_id` int NOT NULL,
`story_id` int NOT NULL,
`file_name` varchar(100) NOT NULL,
`concept_tested` varchar(100) NOT NULL,
`difficuly` varchar(50) NOT NULL,
`number_options` int NOT NULL,
`correct_answer` int NOT NULL,
`call_number` int NOT NULL,
PRIMARY KEY (`question_id`,`story_id`),
FOREIGN KEY (`story_id`)
REFERENCES `Stories`(`story_id`)
ON DELETE CASCADE
)
Table Call
CREATE TABLE Call (
`call_id` int NOT NULL AUTO_INCREMENT,
`student_id` int NOT NULL,
`story_id` int NOT NULL,
`question_id` int NOT NULL,
`call_number` int NOT NULL,
`total_number` int NOT NULL,
PRIMARY KEY (`call_id`),
FOREIGN KEY (`student_id`)
REFERENCES `Student`(`story_id`)
ON DELETE CASCADE,
FOREIGN KEY (`story_id`)
REFERENCES `Stories`(`student_id`)
ON DELETE CASCADE,
FOREIGN KEY (`question_id`)
REFERENCES `Stories`(`question_id`)
ON DELETE CASCADE
)
Here is my error:
#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'Call ( `call_id` int NOT NULL AUTO_INCREMENT, `student_id` int NOT NULL, ' at line 1
I have tried editing my code and checking it several times but the problem remains unsolved
I solved the problem,
It is:
CREATE TABLE `Call` (
`call_id` int NOT NULL AUTO_INCREMENT,
`student_id` int NOT NULL,
`story_id` int NOT NULL,
`question_id` int NOT NULL,
`call_number` int NOT NULL,
`total_number` int NOT NULL,
PRIMARY KEY (`call_id`),
FOREIGN KEY (`student_id`)
REFERENCES `Student`(`student_id`)
ON DELETE CASCADE,
FOREIGN KEY (`story_id`)
REFERENCES `Stories`(`story_id`)
ON DELETE CASCADE,
FOREIGN KEY (`question_id`)
REFERENCES `Questions`(`question_id`)
ON DELETE CASCADE
)

Answer 1

I found that these conditions must be satisfied to not get error 150:
The two tables must be ENGINE=InnoDB. (can be others: ENGINE=MyISAM works too)
The two tables must have the same charset.
The PK column(s) in the parent table and the FK column(s) must be the same data type.
The PK column(s) in the parent table and the FK column(s), if they have a define collation type, must have the same collation type;
If there is data already in the foreign key table, the FK column value(s) must match values in the parent table PK columns.
And the child table cannot be a temporary table.
Hope this helps.
Try like this
CREATE TABLE Questions (
`call_id` int NOT NULL AUTO_INCREMENT,
`student_id` int NOT NULL,
`story_id` int NOT NULL,
`question_id` int NOT NULL,
`call_number` int NOT NULL,
`total_number` int NOT NULL,
PRIMARY KEY (`call_id`),
FOREIGN KEY (`student_id`)
REFERENCES `Student`(`story_id`)
ON DELETE CASCADE,
FOREIGN KEY (`story_id`)
REFERENCES `Stories`(`student_id`)
ON DELETE CASCADE,
FOREIGN KEY (`question_id`)
REFERENCES `Stories`(`question_id`)
ON DELETE CASCADE
)ENGINE=MYISAM CHARACTER SET UTF8;
FIDDLE DEMO
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