Correct the migration scripts

gistfile1.txt

// 006

CREATE TABLE payment_summaries (
  id INTEGER PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY,
  course_id INTEGER REFERENCES bootcamp_courses(id),
  monthly FLOAT,
  up_front FLOAT,
  interest_only_loan TEXT,
  immediate_repayment_loan TEXT,
  isa TEXT
);

// 009 
CREATE TABLE course_languages (
  course_id INTEGER  REFERENCES bootcamp_courses(id),
  language_id INTEGER  REFERENCES languages(id),
  PRIMARY KEY (course_id, language_id)
);

// 010
CREATE TABLE course_frameworks (
  course_id INTEGER  REFERENCES bootcamp_courses(id),
  framework_id INTEGER  REFERENCES frameworks(id),
  PRIMARY KEY (course_id, framework_id)
);