primera tarea de insercion corregida..

insert into Toro values
('00LAH1','2007-03-06',1,'Negro','Pajarito',null,null,null,null),
('00LAH1','2008-12-08',2,'Cafe','Bravo',null,null,null,null),
('00LAH1','2008-10-23',3,'Gris','Luz',null,null,null,null),
('00LAH1','2007-05-17',4,'Negro','Toribio',null,null,null,null),
('00LAH1','2008-07-21',5,'Negro','Negro',null,null,null,null);


insert into Toro values
('00ELE2','2008-04-16',1,'Negro','Solitario',null,null,null,null),
('00ELE2','2010-01-02',2,'Gris','Loco',null,null,null,null),
('00ELE2','2007-09-19',3,'Negro','Expo',null,null,null,null),
('00ELE2','2008-03-02',4,'Gris','Maltrata',null,null,null,null),
('00ELE2','2009-12-15',5,'cafe','Sevilla',null,null,null,null),
('00ELE2','2008-10-02',6,'Negro','Tarado',null,null,null,null),
('00ELE2','2007-08-28',7,'Cafe','Pinto',null,null,null,null);


insert into Toro values
('00VAL3','2008-09-06',1,'Gris','Tieso',null,null,null,null),
('00VAL3','2009-05-05',2,'Gris','Testa',null,null,null,null),
('00VAL3','2008-07-29',3,'Negro','Minotauro',null,null,null,null),
('00VAL3','2009-08-30',4,'Cafe','Chocolate',null,null,null,null),
('00VAL3','2007-10-29',5,'Negro','Ventorrillo',null,null,null,null),
('00VAL3','2008-02-19',6,'Negro','Ymbro',null,null,null,null),
('00VAL3','2009-01-20',7,'Negro','Tajo',null,null,null,null);

insert into Ganaderia values
('00LAH1', 'Tablaje catrastal 1001','Granada','2000-01-01'),
('00ELE2', 'Manzana 13 region 160','Sevilla','1997-05-28'),
('00VAL3', 'Tablaje catrastal 720','barcelona','2002-03-13');