Simple errors with code

Hello I have a different version of the code with the same intent: Something is still wrong. Any suggestions? Thanks. Jonathon
CREATE TABLE CHILDREN ( CHILD_ID INT NOT NULL PRIMARY KEY, FNAME VARCHAR(24) NOT NULL, LNAME VARCHAR(24) NOT NULL, PHONE CHAR(12) NOT NULL, CHECK (PHONE LIKE '(0[0-9][0-9])[0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]'), CHILDGRADE VARCHAR(8) NOT NULL, CHECK (CHILDGRADE LIKE 'BEGINNER' OR 'NOVICE' OR 'SKILLED' OR 'EXPERT')) CREATE TABLE INSTRUCTORS ( STAFF_NO INT NOT NULL PRIMARY KEY, FNAME VARCHAR(24) NOT NULL, LNAME VARCHAR(24) NOT NULL, PHONE CHAR(13) NOT NULL, CHECK (PHONE LIKE '(0[0-9][0-9])[0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]')) CREATE TABLE LESSONS ( LESSON_ID INT NOT NULL PRIMARY KEY, DAY DATE NOT NULL, TIME TIME NOT NULL,  LESSONGRADE VARCHAR(8) NOT NULL, CHECK (LESSONGRADE LIKE 'BEGINNER' OR 'NOVICE' OR 'SKI ...