BEGIN TRANSACTION;
CREATE TABLE `animal` (
	`id`	INTEGER UNIQUE,
	`type`	TEXT,
	`name`	TEXT,
	PRIMARY KEY(id)
);
INSERT INTO `animal` VALUES
 (1,'cat','Felix'),
 (2,'cat','Sylvester'),
 (3,'cat','Garfield'),
 (4,'lion','Simba'),
 (5,'lion','Elsa'),
 (6,'tiger','Sher Khan'),
 (7,'tiger','Woods'),
 (8,'dog','Rover');
CREATE INDEX `by-type` ON `animal` (`type` ASC);
COMMIT;

CREATE VIEW Summary AS
  Select type, count(*) 
  FROM animal
  GROUP by type;

CREATE VIEW cats_only AS
  SELECT id,name
  FROM animal
  WHERE type='cat';