text: CREATE TABLE x (
  	id number(10, 0) primary key,
  	value number(10, 0)
  );
  
  CREATE TABLE y (
    id    number(10, 0) primary key,
    value number(10, 0)
  );
  
  CREATE TABLE other (
  	id number(10, 0) primary key
  );
  
  insert into x values (1, 1111);
  insert into x values (2, 2222);
  
  INSERT INTO y VALUES (1, 10);
  INSERT INTO y VALUES (2, 20);
  
  INSERT INTO other VALUES (20);
  