text: CREATE TABLE threads (
      id UUID PRIMARY KEY,
      title TEXT NOT NULL,
      description TEXT NOT NULL
  );
  
  CREATE TABLE posts (
      id UUID PRIMARY KEY,
      thread_id UUID NOT NULL REFERENCES threads (id) ON DELETE CASCADE,
      title TEXT NOT NULL,
      content TEXT NOT NULL,
      votes INT NOT NULL
  );
  
  CREATE TABLE comments (
      id UUID PRIMARY KEY,
      post_id UUID NOT NULL REFERENCES posts (id) ON DELETE CASCADE,
      content TEXT NOT NULL,
      votes INT NOT NULL
  );