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| 1 | +-- Pet Vaccination Database Schema |
| 2 | +-- Target: tempdb on localhost (Windows Authentication) |
| 3 | +-- Normalized design with proper constraints and indexing |
| 4 | + |
| 5 | +USE tempdb; |
| 6 | +GO |
| 7 | + |
| 8 | +-- Drop existing tables if they exist (in reverse dependency order) |
| 9 | +IF OBJECT_ID('dbo.VaccinationRecords', 'U') IS NOT NULL DROP TABLE dbo.VaccinationRecords; |
| 10 | +IF OBJECT_ID('dbo.Pets', 'U') IS NOT NULL DROP TABLE dbo.Pets; |
| 11 | +IF OBJECT_ID('dbo.Owners', 'U') IS NOT NULL DROP TABLE dbo.Owners; |
| 12 | +IF OBJECT_ID('dbo.Veterinarians', 'U') IS NOT NULL DROP TABLE dbo.Veterinarians; |
| 13 | +IF OBJECT_ID('dbo.Vaccines', 'U') IS NOT NULL DROP TABLE dbo.Vaccines; |
| 14 | +GO |
| 15 | + |
| 16 | +-- ============================================================================= |
| 17 | +-- Table: Owners |
| 18 | +-- Description: Pet owner contact information |
| 19 | +-- ============================================================================= |
| 20 | +CREATE TABLE dbo.Owners ( |
| 21 | + OwnerId INT IDENTITY(1,1) NOT NULL, |
| 22 | + FirstName NVARCHAR(50) NOT NULL, |
| 23 | + LastName NVARCHAR(50) NOT NULL, |
| 24 | + StreetAddress NVARCHAR(200) NULL, |
| 25 | + City NVARCHAR(100) NULL, |
| 26 | + State NVARCHAR(50) NULL, |
| 27 | + ZipCode VARCHAR(10) NULL, |
| 28 | + Phone VARCHAR(20) NULL, |
| 29 | + Email NVARCHAR(255) NULL, |
| 30 | + CreatedDate DATETIME2 NOT NULL DEFAULT GETDATE(), |
| 31 | + ModifiedDate DATETIME2 NULL, |
| 32 | + |
| 33 | + CONSTRAINT PK_Owners PRIMARY KEY CLUSTERED (OwnerId), |
| 34 | + CONSTRAINT CK_Owners_Email CHECK (Email IS NULL OR Email LIKE '%_@_%.__%') |
| 35 | +); |
| 36 | +GO |
| 37 | + |
| 38 | +-- Index for searching owners by name |
| 39 | +CREATE NONCLUSTERED INDEX IX_Owners_Name |
| 40 | + ON dbo.Owners (LastName, FirstName); |
| 41 | +GO |
| 42 | + |
| 43 | +-- ============================================================================= |
| 44 | +-- Table: Pets |
| 45 | +-- Description: Pet information with foreign key to owner |
| 46 | +-- ============================================================================= |
| 47 | +CREATE TABLE dbo.Pets ( |
| 48 | + PetId INT IDENTITY(1,1) NOT NULL, |
| 49 | + OwnerId INT NOT NULL, |
| 50 | + PetName NVARCHAR(100) NOT NULL, |
| 51 | + Species VARCHAR(50) NOT NULL DEFAULT 'Dog', |
| 52 | + Breed NVARCHAR(100) NULL, |
| 53 | + Color NVARCHAR(50) NULL, |
| 54 | + Gender CHAR(1) NULL, |
| 55 | + DateOfBirth DATE NULL, |
| 56 | + MicrochipNumber VARCHAR(50) NULL, |
| 57 | + IsActive BIT NOT NULL DEFAULT 1, |
| 58 | + CreatedDate DATETIME2 NOT NULL DEFAULT GETDATE(), |
| 59 | + ModifiedDate DATETIME2 NULL, |
| 60 | + |
| 61 | + CONSTRAINT PK_Pets PRIMARY KEY CLUSTERED (PetId), |
| 62 | + CONSTRAINT FK_Pets_Owners FOREIGN KEY (OwnerId) |
| 63 | + REFERENCES dbo.Owners (OwnerId) ON DELETE CASCADE, |
| 64 | + CONSTRAINT CK_Pets_Gender CHECK (Gender IS NULL OR Gender IN ('M', 'F')), |
| 65 | + CONSTRAINT CK_Pets_Species CHECK (Species IN ('Dog', 'Cat', 'Bird', 'Rabbit', 'Other')) |
| 66 | +); |
| 67 | +GO |
| 68 | + |
| 69 | +-- Index for searching pets by owner |
| 70 | +CREATE NONCLUSTERED INDEX IX_Pets_OwnerId |
| 71 | + ON dbo.Pets (OwnerId) |
| 72 | + INCLUDE (PetName, Species, Breed); |
| 73 | +GO |
| 74 | + |
| 75 | +-- Index for searching pets by name |
| 76 | +CREATE NONCLUSTERED INDEX IX_Pets_Name |
| 77 | + ON dbo.Pets (PetName); |
| 78 | +GO |
| 79 | + |
| 80 | +-- ============================================================================= |
| 81 | +-- Table: Vaccines |
| 82 | +-- Description: Reference table for vaccine types |
| 83 | +-- ============================================================================= |
| 84 | +CREATE TABLE dbo.Vaccines ( |
| 85 | + VaccineId INT IDENTITY(1,1) NOT NULL, |
| 86 | + VaccineName NVARCHAR(100) NOT NULL, |
| 87 | + VaccineCode VARCHAR(20) NOT NULL, |
| 88 | + Description NVARCHAR(500) NULL, |
| 89 | + ApplicableSpecies VARCHAR(50) NOT NULL DEFAULT 'Dog', |
| 90 | + RecommendedInterval INT NULL, -- Days between doses |
| 91 | + IsActive BIT NOT NULL DEFAULT 1, |
| 92 | + |
| 93 | + CONSTRAINT PK_Vaccines PRIMARY KEY CLUSTERED (VaccineId), |
| 94 | + CONSTRAINT UQ_Vaccines_Code UNIQUE (VaccineCode) |
| 95 | +); |
| 96 | +GO |
| 97 | + |
| 98 | +-- ============================================================================= |
| 99 | +-- Table: Veterinarians |
| 100 | +-- Description: Veterinarian information |
| 101 | +-- ============================================================================= |
| 102 | +CREATE TABLE dbo.Veterinarians ( |
| 103 | + VeterinarianId INT IDENTITY(1,1) NOT NULL, |
| 104 | + FirstName NVARCHAR(50) NOT NULL, |
| 105 | + LastName NVARCHAR(50) NOT NULL, |
| 106 | + LicenseNumber VARCHAR(50) NULL, |
| 107 | + ClinicName NVARCHAR(200) NULL, |
| 108 | + Phone VARCHAR(20) NULL, |
| 109 | + Email NVARCHAR(255) NULL, |
| 110 | + IsActive BIT NOT NULL DEFAULT 1, |
| 111 | + |
| 112 | + CONSTRAINT PK_Veterinarians PRIMARY KEY CLUSTERED (VeterinarianId) |
| 113 | +); |
| 114 | +GO |
| 115 | + |
| 116 | +-- Index for searching veterinarians by name |
| 117 | +CREATE NONCLUSTERED INDEX IX_Veterinarians_Name |
| 118 | + ON dbo.Veterinarians (LastName, FirstName); |
| 119 | +GO |
| 120 | + |
| 121 | +-- ============================================================================= |
| 122 | +-- Table: VaccinationRecords |
| 123 | +-- Description: Records of administered vaccinations (junction table) |
| 124 | +-- ============================================================================= |
| 125 | +CREATE TABLE dbo.VaccinationRecords ( |
| 126 | + RecordId INT IDENTITY(1,1) NOT NULL, |
| 127 | + PetId INT NOT NULL, |
| 128 | + VaccineId INT NOT NULL, |
| 129 | + VeterinarianId INT NULL, |
| 130 | + AdministrationDate DATE NOT NULL, |
| 131 | + ExpirationDate DATE NULL, |
| 132 | + DoseNumber TINYINT NULL DEFAULT 1, |
| 133 | + LotNumber VARCHAR(50) NULL, |
| 134 | + Notes NVARCHAR(500) NULL, |
| 135 | + CreatedDate DATETIME2 NOT NULL DEFAULT GETDATE(), |
| 136 | + |
| 137 | + CONSTRAINT PK_VaccinationRecords PRIMARY KEY CLUSTERED (RecordId), |
| 138 | + CONSTRAINT FK_VaccinationRecords_Pets FOREIGN KEY (PetId) |
| 139 | + REFERENCES dbo.Pets (PetId) ON DELETE CASCADE, |
| 140 | + CONSTRAINT FK_VaccinationRecords_Vaccines FOREIGN KEY (VaccineId) |
| 141 | + REFERENCES dbo.Vaccines (VaccineId), |
| 142 | + CONSTRAINT FK_VaccinationRecords_Veterinarians FOREIGN KEY (VeterinarianId) |
| 143 | + REFERENCES dbo.Veterinarians (VeterinarianId), |
| 144 | + CONSTRAINT CK_VaccinationRecords_Dates CHECK (ExpirationDate IS NULL OR ExpirationDate > AdministrationDate) |
| 145 | +); |
| 146 | +GO |
| 147 | + |
| 148 | +-- Index for querying vaccination history by pet |
| 149 | +CREATE NONCLUSTERED INDEX IX_VaccinationRecords_PetId |
| 150 | + ON dbo.VaccinationRecords (PetId, AdministrationDate DESC) |
| 151 | + INCLUDE (VaccineId, VeterinarianId); |
| 152 | +GO |
| 153 | + |
| 154 | +-- Index for finding pets due for vaccinations |
| 155 | +CREATE NONCLUSTERED INDEX IX_VaccinationRecords_Expiration |
| 156 | + ON dbo.VaccinationRecords (ExpirationDate) |
| 157 | + WHERE ExpirationDate IS NOT NULL; |
| 158 | +GO |
| 159 | + |
| 160 | +-- ============================================================================= |
| 161 | +-- Insert reference data for common dog vaccines |
| 162 | +-- ============================================================================= |
| 163 | +INSERT INTO dbo.Vaccines (VaccineName, VaccineCode, Description, ApplicableSpecies, RecommendedInterval) |
| 164 | +VALUES |
| 165 | + ('Distemper', 'DIST', 'Canine distemper virus vaccine', 'Dog', 365), |
| 166 | + ('Measles', 'MEAS', 'Measles vaccine for puppies', 'Dog', NULL), |
| 167 | + ('Parainfluenza', 'PARA', 'Canine parainfluenza virus vaccine', 'Dog', 365), |
| 168 | + ('DHPP', 'DHPP', 'Distemper, Hepatitis, Parainfluenza, Parvovirus combination', 'Dog', 365), |
| 169 | + ('Bordetella', 'BORD', 'Kennel cough vaccine', 'Dog', 180), |
| 170 | + ('Coronavirus', 'CORO', 'Canine coronavirus vaccine', 'Dog', 365), |
| 171 | + ('Leptospirosis', 'LEPT', 'Leptospirosis vaccine', 'Dog', 365), |
| 172 | + ('Lyme Disease', 'LYME', 'Borrelia burgdorferi vaccine', 'Dog', 365), |
| 173 | + ('Rabies', 'RABI', 'Rabies virus vaccine (legally required)', 'Dog', 1095); |
| 174 | +GO |
| 175 | + |
| 176 | +-- ============================================================================= |
| 177 | +-- Insert sample data from the vaccination record |
| 178 | +-- ============================================================================= |
| 179 | + |
| 180 | +-- Insert owner |
| 181 | +INSERT INTO dbo.Owners (FirstName, LastName, StreetAddress, City, State, ZipCode) |
| 182 | +VALUES ('Jane', 'Doe', '1575 McDonald Street', 'Mount Pleasant', 'TX', '38474'); |
| 183 | + |
| 184 | +-- Insert veterinarian |
| 185 | +INSERT INTO dbo.Veterinarians (FirstName, LastName, ClinicName) |
| 186 | +VALUES ('John', 'Smith', NULL); |
| 187 | + |
| 188 | +-- Insert pet |
| 189 | +INSERT INTO dbo.Pets (OwnerId, PetName, Species, Breed, Color, Gender, DateOfBirth) |
| 190 | +VALUES (1, 'Chewy', 'Dog', 'Labrador', 'Brown', 'M', '2014-02-25'); |
| 191 | + |
| 192 | +-- Insert vaccination records from the document |
| 193 | +DECLARE @PetId INT = 1; |
| 194 | +DECLARE @VetId INT = 1; |
| 195 | + |
| 196 | +INSERT INTO dbo.VaccinationRecords (PetId, VaccineId, VeterinarianId, AdministrationDate, DoseNumber) |
| 197 | +VALUES |
| 198 | + -- Distemper: 02/01/2014 |
| 199 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'DIST'), @VetId, '2014-02-01', 1), |
| 200 | + -- Measles: 02/01/2015 |
| 201 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'MEAS'), @VetId, '2015-02-01', 1), |
| 202 | + -- Parainfluenza: 02/01/2014 |
| 203 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'PARA'), @VetId, '2014-02-01', 1), |
| 204 | + -- DHPP: 02/01/2016, 08/01/2017, 08/01/2018 |
| 205 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'DHPP'), @VetId, '2016-02-01', 1), |
| 206 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'DHPP'), @VetId, '2017-08-01', 2), |
| 207 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'DHPP'), @VetId, '2018-08-01', 3), |
| 208 | + -- Bordetella: 02/01/2016, 08/01/2017, 08/01/2018 |
| 209 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'BORD'), @VetId, '2016-02-01', 1), |
| 210 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'BORD'), @VetId, '2017-08-01', 2), |
| 211 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'BORD'), @VetId, '2018-08-01', 3), |
| 212 | + -- Coronavirus: 02/01/2016, 08/01/2017, 08/01/2018 |
| 213 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'CORO'), @VetId, '2016-02-01', 1), |
| 214 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'CORO'), @VetId, '2017-08-01', 2), |
| 215 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'CORO'), @VetId, '2018-08-01', 3), |
| 216 | + -- Leptospirosis: 02/01/2016, 08/01/2017, 08/01/2018 |
| 217 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'LEPT'), @VetId, '2016-02-01', 1), |
| 218 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'LEPT'), @VetId, '2017-08-01', 2), |
| 219 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'LEPT'), @VetId, '2018-08-01', 3), |
| 220 | + -- Lyme Disease: 02/01/2016, 08/01/2017 |
| 221 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'LYME'), @VetId, '2016-02-01', 1), |
| 222 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'LYME'), @VetId, '2017-08-01', 2), |
| 223 | + -- Rabies: 02/01/2016, 08/01/2018 |
| 224 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'RABI'), @VetId, '2016-02-01', 1), |
| 225 | + (@PetId, (SELECT VaccineId FROM dbo.Vaccines WHERE VaccineCode = 'RABI'), @VetId, '2018-08-01', 2); |
| 226 | +GO |
| 227 | + |
| 228 | +-- ============================================================================= |
| 229 | +-- Verification queries |
| 230 | +-- ============================================================================= |
| 231 | +PRINT 'Schema created successfully. Running verification...'; |
| 232 | +PRINT ''; |
| 233 | + |
| 234 | +SELECT 'Owners' AS TableName, COUNT(*) AS RecordCount FROM dbo.Owners |
| 235 | +UNION ALL |
| 236 | +SELECT 'Pets', COUNT(*) FROM dbo.Pets |
| 237 | +UNION ALL |
| 238 | +SELECT 'Vaccines', COUNT(*) FROM dbo.Vaccines |
| 239 | +UNION ALL |
| 240 | +SELECT 'Veterinarians', COUNT(*) FROM dbo.Veterinarians |
| 241 | +UNION ALL |
| 242 | +SELECT 'VaccinationRecords', COUNT(*) FROM dbo.VaccinationRecords; |
| 243 | +GO |
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