text: DROP TABLE IF EXISTS user_assessment_scores;
  CREATE TABLE user_assessment_scores (
      user_handle INTEGER NOT NULL,
      assessment_tag VARCHAR(255) NOT NULL,
      user_assessment_date TIMESTAMP NOT NULL,
      user_assessment_score INTEGER NOT NULL
  );
  
  DROP TABLE IF EXISTS user_interests;
  CREATE TABLE user_interests (
      user_handle INTEGER NOT NULL,
      interest_tag VARCHAR(255) NOT NULL,
      date_followed TIMESTAMP NOT NULL
  );
  
  DROP TABLE IF EXISTS course_tags;
  CREATE TABLE course_tags (
      course_id VARCHAR(255) NOT NULL,
      course_tags VARCHAR(255) NOT NULL
  );
  
  DROP TABLE IF EXISTS user_course_views;
  CREATE TABLE user_course_views (
      user_handle INTEGER NOT NULL,
      view_date DATE NOT NULL,
      course_id VARCHAR(255) NOT NULL,
      author_handle INTEGER NOT NULL,
      level VARCHAR(255) NOT NULL,
      view_time_seconds INTEGER NOT NULL
  );