您好我正在研究一个SQL项目。我的教授希望我们用T-SQL编写代码。我今天刚刚学习了T-SQL，现在她在需求中添加了大量其他内容。其中三个要求是创建插入，更新和删除过程。我已经看过一些视频，但是我很难理解该做什么，因为没有像我下面那样的视频具有SQL格式。如何创建插入，更新和删除过程？
CREATE TABLE Vet
(
[VET_ID] INT IDENTITY(1,1) CONSTRAINT Pk_Vet_VetID PRIMARY KEY,
[LAST_NAME] VARCHAR(20),
[FIRST_NAME] VARCHAR(20),
[STREET] VARCHAR(30),
[CITY] VARCHAR(20),
[STATE] VARCHAR(20),
[POSTAL_CODE] VARCHAR(20),
[SALARY] DECIMAL(8,2),
[DEGREE] VARCHAR(20),
[POSITION] VARCHAR(20)
)
CREATE TABLE Owner
(
[OWNER_ID] INT IDENTITY(1,1) CONSTRAINT Pk_Owner_OwnerID PRIMARY KEY,
[OWNER_NAME] VARCHAR(30) NOT NULL,
[STREET] VARCHAR(30),
[CITY] VARCHAR(20),
[STATE] VARCHAR(20),
[POSTAL_CODE] VARCHAR(20)
)
CREATE TABLE Pet
(
[PET_ID] INT IDENTITY(1,1) CONSTRAINT Pk_Pet_PetID PRIMARY KEY,
[PET_NAME] VARCHAR(35) NOT NULL,
[STREET] VARCHAR(30),
[CITY] VARCHAR(15),
[STATE] VARCHAR(2),
[POSTAL_CODE] VARCHAR(5),
[BREED] VARCHAR(20),
[OWNER_ID] INT CONSTRAINT Fk_Pet_OwnerID FOREIGN KEY REFERENCES Owner(OWNER_ID)
)
CREATE TABLE Appointment
(
[APPOINTMENT_ID] INT IDENTITY(1,1) CONSTRAINT Pk_Appointment_AppointmentID PRIMARY KEY,
[APPOINTMENT_DATE] DATE,
[VET_ID] INT CONSTRAINT Fk_Appointment_VetID FOREIGN KEY REFERENCES VET(VET_ID),
[PET_ID] INT CONSTRAINT Fk_Appointment_PetID FOREIGN KEY REFERENCES Pet(PET_ID),
)
SET IDENTITY_INSERT vet ON
INSERT INTO vet ([vet_ID],[last_name],[first_name],[street],[city],[state], [postal_code], [salary],[degree],[position])
VALUES (1, 'Skechley', 'Cristine', '24340 7th Plaza', 'Pittsburgh', 'PA', '15274', 88053.30, 'Masters', 'Vet'),
(2, 'Fishpoole', 'Sig', '06784 Anthes Point', 'Philadelphia', 'PA', '19184', 45525.56, 'Associates', 'Receptionist'),
(3, 'Stother', 'Rycca', '04304 Superior Hill', 'Allentown', 'PA', '18105', 90553.37, 'Masters', 'Vet'),
(4, 'Scandrite', 'Kerrill', '30320 Express Crossing', 'Harrisburg', 'PA', '17126', 102553.59, 'Doctorates', 'Vet'),
(5, 'Glassman', 'Rhett', '33418 Tomscot Trail', 'Mc Keesport', 'PA', '15134', 56052.24, 'Bachelor', 'Management'),
(6, 'Gioan', 'Rab', '1 Pennsylvania Street', 'Hatfield', 'PA', '19440', 35880.76, 'Student', 'Janitor'),
(7, 'Patel', 'Dhruv', '24411 Jean Drive', 'Hatfield', 'PA', '19440', 42790.88, 'Student', 'Receptionist'),
(8, 'Smith', 'Giana', '24 Malple Street', 'Lansdale', 'PA', '19446', 35880.22, 'Student', 'Janitor'),
(9, 'Lopez', 'Briana', 'Orvilla', 'Allentown', 'PA', '18105', 74880.47, 'Masters', 'Vet'),
(10, 'Sam', 'Hector', 'Orvilla', 'Allentown', 'PA', '18105', 74880.47, 'Masters', 'Vet')
SET IDENTITY_INSERT vet OFF
SET IDENTITY_INSERT owner ON
INSERT INTO owner ([owner_ID],[owner_name],[street],[city],[state],[postal_code])
VALUES (11, 'Samantha Rodgers','96372 Dexter Terrace','Erie', 'PA','16510'),
(12,'Jenkins Tim','486 Marcy Avenue','Philadelphia','PA','19184'),
(13,'Smith Bobby','03781 Meadow Ridge','Erie','PA','16510'),
(14,'Parker Aaron','80 Marcy Place','Harrisburg','PA','17126'),
(15,'Gil Malcomn','239 Tony Point','Harrisburg','PA','17110'),
(16,'Ramsey Torrey','0778 Columbus Park','Philadelphia','PA','19178'),
(17,'Novak Cole','63519 Warbler Way','Pittsburgh','PA','15261'),
(18,'Cunningham Dylan','0728 Esch Terrace','Pittsburgh ','PA','15274'),
(19,'Barclay Liam','36 John Wall Parkway','Pittsburgh ','PA','15210'),
(20,'Perez Joseph','Hatfield Village','Hatfield','PA','19440')
SET IDENTITY_INSERT owner OFF
SET IDENTITY_INSERT Pet ON
INSERT INTO Pet ([PET_ID], [PET_NAME], [STREET], [CITY], [STATE],[POSTAL_CODE], [BREED], [OWNER_ID])
VALUES (21,'Jimmy','96372 Dexter Terrace','Erie', 'PA','16510','Affenpinscher',11),
(22,'Lily','486 Marcy Avenue','Philadelphia','PA','19184','American Bulldog',12),
(23,'Sally','03781 Meadow Ridge','Erie','PA','16510','American Eskimo Dog',13),
(24,'Joey','80 Marcy Place','Harrisburg','PA','17126','Barbet',14),
(25,'Rocky','239 Tony Point','Harrisburg','PA','17110','Papillon',15),
(26,'Daisy','0778 Columbus Park','Philadelphia','PA','19178','McNab',16),
(27,'Chloe','63519 Warbler Way','Pittsburgh','PA','15261','Mountain Cur',17),
(28,'Mike','0728 Esch Terrace','Pittsburgh ','PA','15274','Pug',18),
(29,'Bruno','36 John Wall Parkway','Pittsburgh ','PA','15210','Pomeranian',19),
(30,'Daisy','Hatfield Village','Hatfield','PA','19440','Rat Terrier',20),
(31,'Tim','Hatfield Village','Hatfield','PA','19440','German Shepherd',20)
SET IDENTITY_INSERT Pet OFF
SET IDENTITY_INSERT appointment ON
INSERT INTO appointment ([APPOINTMENT_ID],[appointment_date],[VET_ID],[PET_ID])
VALUES (21,'12/11/2017',1,25),
(30,'12/12/2017',2,26),
(23,'12/12/2017',1,27),
(29,'12/13/2017',4,23),
(25,'12/14/2017',5,22)
SET IDENTITY_INSERT appointment OFF