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Question

所以我正在研究 SQL，但我不断收到错误，我已经对它进行了三次检查，但仍然没有找到查询未正确显示的原因。我正在使用 Microsoft SQL 服务器。这些是我目前收到的错误：

Msg 1767, Level 16, State 0, Line 2
Foreign key 'FK_PatientID' references invalid table 'Patient'.

Msg 1750, Level 16, State 0, Line 2
Could not create constraint. See previous errors.

Msg 208, Level 16, State 1, Line 2
Invalid object name 'TreatmentDetails'.

代码：

IF  EXISTS (SELECT name FROM sys.databases WHERE name = N'Hospital')
DROP DATABASE [Hospital]
GO

CREATE DATABASE [Hospital] 
GO

USE Hospital
GO

CREATE TABLE [dbo].[Physician]
(
    PhysicianID INTEGER NOT NULL,
    FirstName VARCHAR(30) NOT NULL,
    LastName VARCHAR(30) NOT NULL,
    Specialty VARCHAR(30) NOT NULL,
    GraduationDate DATE NOT NULL,
CONSTRAINT [PK_PhysicianID] PRIMARY KEY (PhysicianID) 
);
GO

CREATE TABLE [dbo].[TreatmentDetails]
(
    TreatmentID INTEGER NOT NULL,
    PhysicianID INTEGER NOT NULL,
    PatientID INTEGER NOT NULL,
    StartDateTime DATE NOT NULL,
    EndDateTime DATE NULL,
    Results VARCHAR(30),
    CONSTRAINT [PK_TreatmentID] PRIMARY KEY (TreatmentID),
    CONSTRAINT [FK_PhysicianID] FOREIGN KEY (PhysicianID) REFERENCES Physician(PhysicianID),
    CONSTRAINT [FK_PatientID] FOREIGN KEY (PatientID) REFERENCES Patient(PatientID),
);
GO

CREATE TABLE [dbo].[Patient]
(
    PatientID INTEGER NOT NULL,
    FirstName VARCHAR(30) NOT NULL,
    LastName VARCHAR(30) NOT NULL,
    DateOfBirth DATE NOT NULL,
    CONSTRAINT [PK_PatientID] PRIMARY KEY (PatientID),
);
GO

CREATE TABLE [dbo].[AdmissionDate]
(
    AdmissionID INTEGER NOT NULL,
    PhysicianID INTEGER NOT NULL,
    PatientID INTEGER NOT NULL,
    AdmissionDate DATE NOT NULL,
    DischargeDate DATE NULL,
    CONSTRAINT [PK_AdmissionID] PRIMARY KEY (AdmissionID),
    CONSTRAINT [FK_PhysicianID] FOREIGN KEY (PhysicianID) REFERENCES Physician(PhysicianID),
    CONSTRAINT [FK_PatientID] FOREIGN KEY (PatientID) REFERENCES Patient(PatientID),
);
GO

INSERT INTO TreatmentDetails VALUES (1, 12345, 1234, '2014-4-5', NULL, 'NOT DONE')
INSERT INTO TreatmentDetails VALUES (2, 12346, 1235, '2013-5-6', NULL, 'NOT DONE')
INSERT INTO TreatmentDetails VALUES (3, 12347, 1236, '2012-7-8', '2014-9-10', 'Patient finished')
INSERT INTO TreatmentDetails VALUES (4, 12348, 1237, '2011-9-10', '2013-11-12', 'Patient finished')
INSERT INTO TreatmentDetails VALUES (5, 12349, 1238, '2010-11-12', NULL, 'NOT DONE')

INSERT INTO Physician VALUES (12345, 'Will', 'Smith', 'Surgeon', '2014-5-9');
INSERT INTO Physician VALUES (12346, 'Jim', 'Carey', 'Pediatrictian', '2013-2-4');
INSERT INTO Physician VALUES (12347, 'Adam', 'Sandler', 'Immunologist', '2012-6-12');
INSERT INTO Physician VALUES (12348, 'Seth', 'Rogan', 'Neurologist', '2010-9-19');
INSERT INTO Physician VALUES (12349, 'James', 'Bond', 'Dermatologist', '2011-5-2');

INSERT INTO Patient VALUES (1234, 'Christopher', 'Thompson', '1989-7-9');
INSERT INTO Patient VALUES (1235, 'Mac', 'Miller', '1970-9-5');
INSERT INTO Patient VALUES (1236, 'Abraham', 'Lincoln', '1988-1-22');
INSERT INTO Patient VALUES (1237, 'George', 'Washington', '1965-2-8');
INSERT INTO Patient VALUES (1238, 'Franklin', 'Roosevelt', '1992-5-19');

INSERT INTO AdmissionDate VALUES (001, 12345, 1234,'2014-2-9', NULL);
INSERT INTO AdmissionDate VALUES (002, 12346, 1235, '2014-12-8', '2014-15-9');
INSERT INTO AdmissionDate VALUES (003, 12347, 1236,'2014-3-7', '2014-4-9');
INSERT INTO AdmissionDate VALUES (004, 12348, 1237, '2014-8-6', NULL);
INSERT INTO AdmissionDate VALUES (005, 12349, 1238, '2014-5-5', NULL);



GO

USE Hospital

SELECT * FROM Physician

SELECT * FROM Patient

SELECT * FROM AdmissionDate

SELECT * FROM TreatmentDetails

SELECT Patient.PatientID, Patient.FirstName, Patient.LastName, Patient.DateOfBirth, AdmissionDate.AdmissionDate, AdmissionDate.DischargeDate, Physician.Specialty
FROM Patient, AdmissionDate, Physician
WHERE AdmissionDate IS NOT NULL
ORDER BY Patient.LastName, Patient.FirstName, AdmissionDate.AdmissionDate

SELECT Physician.PhysicianID, Physician.FirstName, Physician.LastName, Patient.PatientID, Patient.FirstName, Patient.LastName, TreatmentDetails.TreatmentID, TreatmentDetails.StartDateTime, TreatmentDetails.EndDateTime, TreatmentDetails.Results
FROM Physician, Patient, TreatmentDetails
WHERE TreatmentDetails.EndDateTime IS NULL
ORDER BY TreatmentDetails.StartDateTime, Physician.LastName, Patient.LastName

SELECT Physician.PhysicianID, Physician.FirstName, Physician.LastName, Patient.PatientID, Patient.FirstName, Patient.LastName, TreatmentDetails.TreatmentID, TreatmentDetails.StartDateTime, TreatmentDetails.EndDateTime, TreatmentDetails.Results
FROM Physician, Patient, TreatmentDetails
WHERE TreatmentDetails.EndDateTime IS NOT NULL
ORDER BY TreatmentDetails.StartDateTime, Physician.LastName, Patient.LastName

Answer 1

您创建表的顺序不正确。
您正在不同表中创建具有相同名称的外键。
您在表格中插入数据的顺序不正确。
您提供的日期格式不正确。默认格式为 YYYY-MM-DD 并且你提供 INSERT INTO AdmissionDate VALUES (002, 12346, 1235, '2014-12-8', '2014-15-9'); 2014-15-9 这是要改变的。

这是工作脚本：

USE master

IF  EXISTS (SELECT name FROM sys.databases WHERE name = N'Hospital')
DROP DATABASE [Hospital]
GO

CREATE DATABASE [Hospital] 
GO

USE Hospital
GO

CREATE TABLE [dbo].[Physician]
(
    PhysicianID INTEGER NOT NULL,
    FirstName VARCHAR(30) NOT NULL,
    LastName VARCHAR(30) NOT NULL,
    Specialty VARCHAR(30) NOT NULL,
    GraduationDate DATE NOT NULL,
CONSTRAINT [PK_PhysicianID] PRIMARY KEY (PhysicianID) 
);
GO

CREATE TABLE [dbo].[Patient]
(
    PatientID INTEGER NOT NULL,
    FirstName VARCHAR(30) NOT NULL,
    LastName VARCHAR(30) NOT NULL,
    DateOfBirth DATE NOT NULL,
    CONSTRAINT [PK_PatientID] PRIMARY KEY (PatientID),
);
GO

CREATE TABLE [dbo].[TreatmentDetails]
(
    TreatmentID INTEGER NOT NULL,
    PhysicianID INTEGER NOT NULL,
    PatientID INTEGER NOT NULL,
    StartDateTime DATE NOT NULL,
    EndDateTime DATE NULL,
    Results VARCHAR(30),
    CONSTRAINT [PK_TreatmentDetails_TreatmentID] PRIMARY KEY (TreatmentID),
    CONSTRAINT [FK_TreatmentDetails_PhysicianID] FOREIGN KEY (PhysicianID) REFERENCES Physician(PhysicianID),
    CONSTRAINT [FK_TreatmentDetails_PatientID] FOREIGN KEY (PatientID) REFERENCES Patient(PatientID),
);
GO

CREATE TABLE [dbo].[AdmissionDate]
(
    AdmissionID INTEGER NOT NULL,
    PhysicianID INTEGER NOT NULL,
    PatientID INTEGER NOT NULL,
    AdmissionDate DATE NOT NULL,
    DischargeDate DATE NULL,
    CONSTRAINT [PK_AdmissionDate_AdmissionID] PRIMARY KEY (AdmissionID),
    CONSTRAINT [FK_AdmissionDate_PhysicianID] FOREIGN KEY (PhysicianID) REFERENCES Physician(PhysicianID),
    CONSTRAINT [FK_AdmissionDate_PatientID] FOREIGN KEY (PatientID) REFERENCES Patient(PatientID),
);
GO

INSERT INTO Physician VALUES (12345, 'Will', 'Smith', 'Surgeon', '2014-5-9');
INSERT INTO Physician VALUES (12346, 'Jim', 'Carey', 'Pediatrictian', '2013-2-4');
INSERT INTO Physician VALUES (12347, 'Adam', 'Sandler', 'Immunologist', '2012-6-12');
INSERT INTO Physician VALUES (12348, 'Seth', 'Rogan', 'Neurologist', '2010-9-19');
INSERT INTO Physician VALUES (12349, 'James', 'Bond', 'Dermatologist', '2011-5-2');

INSERT INTO Patient VALUES (1234, 'Christopher', 'Thompson', '1989-7-9');
INSERT INTO Patient VALUES (1235, 'Mac', 'Miller', '1970-9-5');
INSERT INTO Patient VALUES (1236, 'Abraham', 'Lincoln', '1988-1-22');
INSERT INTO Patient VALUES (1237, 'George', 'Washington', '1965-2-8');
INSERT INTO Patient VALUES (1238, 'Franklin', 'Roosevelt', '1992-5-19');

INSERT INTO TreatmentDetails VALUES (1, 12345, 1234, '2014-4-5', NULL, 'NOT DONE')
INSERT INTO TreatmentDetails VALUES (2, 12346, 1235, '2013-5-6', NULL, 'NOT DONE')
INSERT INTO TreatmentDetails VALUES (3, 12347, 1236, '2012-7-8', '2014-9-10', 'Patient finished')
INSERT INTO TreatmentDetails VALUES (4, 12348, 1237, '2011-9-10', '2013-11-12', 'Patient finished')
INSERT INTO TreatmentDetails VALUES (5, 12349, 1238, '2010-11-12', NULL, 'NOT DONE')

INSERT INTO AdmissionDate VALUES (001, 12345, 1234,'2014-2-9', NULL);
INSERT INTO AdmissionDate VALUES (002, 12346, 1235, '2014-12-8', '2014-9-15');
INSERT INTO AdmissionDate VALUES (003, 12347, 1236,'2014-3-7', '2014-4-9');
INSERT INTO AdmissionDate VALUES (004, 12348, 1237, '2014-8-6', NULL);
INSERT INTO AdmissionDate VALUES (005, 12349, 1238, '2014-5-5', NULL);



GO

USE Hospital

SELECT * FROM Physician

SELECT * FROM Patient

SELECT * FROM AdmissionDate

SELECT * FROM TreatmentDetails

SELECT Patient.PatientID, Patient.FirstName, Patient.LastName, Patient.DateOfBirth, AdmissionDate.AdmissionDate, AdmissionDate.DischargeDate, Physician.Specialty
FROM Patient, AdmissionDate, Physician
WHERE AdmissionDate IS NOT NULL
ORDER BY Patient.LastName, Patient.FirstName, AdmissionDate.AdmissionDate

SELECT Physician.PhysicianID, Physician.FirstName, Physician.LastName, Patient.PatientID, Patient.FirstName, Patient.LastName, TreatmentDetails.TreatmentID, TreatmentDetails.StartDateTime, TreatmentDetails.EndDateTime, TreatmentDetails.Results
FROM Physician, Patient, TreatmentDetails
WHERE TreatmentDetails.EndDateTime IS NULL
ORDER BY TreatmentDetails.StartDateTime, Physician.LastName, Patient.LastName

SELECT Physician.PhysicianID, Physician.FirstName, Physician.LastName, Patient.PatientID, Patient.FirstName, Patient.LastName, TreatmentDetails.TreatmentID, TreatmentDetails.StartDateTime, TreatmentDetails.EndDateTime, TreatmentDetails.Results
FROM Physician, Patient, TreatmentDetails
WHERE TreatmentDetails.EndDateTime IS NOT NULL
ORDER BY TreatmentDetails.StartDateTime, Physician.LastName, Patient.LastName

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Microsoft SQL Server

sql

compiler-errors

sql-server-2008