spring的源代码

				CREATE TABLE vets (
					id INTEGER NOT NULL IDENTITY PRIMARY KEY,
					first_name VARCHAR(30),
					last_name VARCHAR(30)
				);
				CREATE INDEX vets_last_name ON vets(last_name);
				
				CREATE TABLE specialties (
					id INTEGER NOT NULL IDENTITY PRIMARY KEY,
					name VARCHAR(80)
				);
				CREATE INDEX specialties_name ON specialties(name);
				
				CREATE TABLE vet_specialties (
					vet_id INTEGER NOT NULL,
					specialty_id INTEGER NOT NULL
				);
				alter table vet_specialties add constraint fk_vet_specialties_vets foreign key (vet_id) references vets(id);
				alter table vet_specialties add constraint fk_vet_specialties_specialties foreign key (specialty_id) references specialties(id);
				
				CREATE TABLE types (
					id INTEGER NOT NULL IDENTITY PRIMARY KEY,
					name VARCHAR(80)
				);
				CREATE INDEX types_name ON types(name);
				
				CREATE TABLE owners (
					id INTEGER NOT NULL IDENTITY PRIMARY KEY,
					first_name VARCHAR(30),
					last_name VARCHAR(30),
					address VARCHAR(255),
					city VARCHAR(80),
					telephone VARCHAR(20)
				);
				CREATE INDEX owners_last_name ON owners(last_name);
				
				CREATE TABLE pets (
					id INTEGER NOT NULL IDENTITY PRIMARY KEY,
					name VARCHAR(30),
					birth_date DATE,
					type_id INTEGER NOT NULL,
					owner_id INTEGER NOT NULL
				);
				alter table pets add constraint fk_pets_owners foreign key (owner_id) references owners(id);
				alter table pets add constraint fk_pets_types foreign key (type_id) references types(id);
				CREATE INDEX pets_name ON pets(name);
				
				CREATE TABLE visits (
					id INTEGER NOT NULL IDENTITY PRIMARY KEY,
					pet_id INTEGER NOT NULL,
					visit_date DATE,
					description VARCHAR(255)
				);
				alter table visits add constraint fk_visits_pets foreign key (pet_id) references pets(id);
				CREATE INDEX visits_pet_id ON visits(pet_id);