text: CREATE TABLE IF NOT EXISTS Numbers (
    item  	INT,
    quantity  INT
  );
  
  CREATE TABLE IF NOT EXISTS Orders (
    orderID	INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
    itemID	INT,
    quantity  INT
  );
  
  CREATE TABLE IF NOT EXISTS Inventory(
    itemID	INT NOT NULL PRIMARY KEY,
    quantity	INT NOT NULL
  );
  
  INSERT INTO Inventory VALUES (1, 100);
  
  INSERT INTO Numbers
  VALUES (1, 10);
  
  INSERT INTO Numbers
  VALUES (2, 10);
  
  INSERT INTO Numbers
  VALUES (3, 10);
  
  INSERT INTO Numbers
  VALUES (4, 10);
  
  INSERT INTO Numbers
  VALUES (5, 10);
  
  INSERT INTO Numbers
  VALUES (6, 10);
  
  INSERT INTO Numbers
  VALUES (7, 10);
  
  INSERT INTO Numbers
  VALUES (8, 10);
  
  INSERT INTO Numbers
  VALUES (9, 10);
  
  INSERT INTO Numbers
  VALUES (10, 10);
  
  INSERT INTO Numbers
  VALUES (11, 10);
  
  INSERT INTO Numbers
  VALUES (12, 10);
  
  INSERT INTO Numbers
  VALUES (13, 10);
  
  INSERT INTO Numbers
  VALUES (14, 10);
  
  INSERT INTO Numbers
  VALUES (15, 10);
  
  INSERT INTO Numbers
  VALUES (16, 10);
  
  INSERT INTO Numbers
  VALUES (17, 10);
  
  INSERT INTO Numbers
  VALUES (18, 10);
  
  INSERT INTO Numbers
  VALUES (19, 10);
  
  INSERT INTO Numbers
  VALUES (20, 10);