ERROR 3780 (HY000) at line 14: Referencing column 'HorseID' and referenced column 'ID' in foreign key constraint 'lessonschedule_ibfk_1' are incompatible.

 Correct this code:

1 CREATE TABLE Horse ( ID 2 3 RegisteredName VARCHAR(15), 4 PRIMARY KEY (ID) 5 6 7 8 9 10 11 PRIMARY KEY (ID) 12 ); 13 ); SMALLINT UNSIGNED AUTO_INCREMENT, CREATE TABLE Student ( ID FirstName LastName Main.sql SMALLINT UNSIGNED AUTO_INCREMENT, VARCHAR (20), VARCHAR(30), 14 CREATE TABLE LessonSchedule ( 15 HorseID INTEGER NOT NULL, 16 Student ID INTEGER, 17 LessonDateTime DATETIME NOT NULL, 18. PRIMARY KEY (HorseID, LessonDateTime), 19 FOREIGN KEY (HorseID) REFERENCES Horse (ID) ON DELETE CASCADE, 20 FOREIGN KEY (StudentID) REFERENCES Student (ID) ON DELETE SET NULL 21 ); 22 23 24 | Load default template... 1 CREATE TABLE Horse ( ID 2 3 RegisteredName VARCHAR(15), 4 PRIMARY KEY (ID) 5 6 7 8 9 10 11 PRIMARY KEY (ID) 12 ); 13 ); SMALLINT UNSIGNED AUTO INCREMENT, CREATE TABLE Student ( ID FirstName LastName Main.sql SMALLINT UNSIGNED AUTO INCREMENT, VARCHAR (20), VARCHAR(30), 14 CREATE TABLE LessonSchedule ( 15 HorseID INTEGER NOT NULL, 16 Student ID INTEGER, 17 LessonDateTime DATETIME NOT NULL, 18. PRIMARY KEY (HorseID, LessonDateTime), 19 FOREIGN KEY (HorseID) REFERENCES Horse (ID) ON DELETE CASCADE, 20 FOREIGN KEY (StudentID) REFERENCES Student (ID) ON DELETE SET NULL 21 ); 22 23 24 | Load default template...