SQL Exercises/The Hospital

Exercises
Obtain the names of all physicians that have performed a medical procedure they have never been certified to perform.

Same as the previous query, but include the following information in the results: Physician name, name of procedure, date when the procedure was carried out, name of the patient the procedure was carried out on.

Obtain the names of all physicians that have performed a medical procedure that they are certified to perform, but such that the procedure was done at a date (Undergoes.Date) after the physician's certification expired (Trained_In.CertificationExpires).

Same as the previous query, but include the following information in the results: Physician name, name of procedure, date when the procedure was carried out, name of the patient the procedure was carried out on, and date when the certification expired.

Obtain the information for appointments where a patient met with a physician other than his/her primary care physician. Show the following information: Patient name, physician name, nurse name (if any), start and end time of appointment, examination room, and the name of the patient's primary care physician.

The Patient field in Undergoes is redundant, since we can obtain it from the Stay table. There are no constraints in force to prevent inconsistencies between these two tables. More specifically, the Undergoes table may include a row where the patient ID does not match the one we would obtain from the Stay table through the Undergoes.Stay foreign key. Select all rows from Undergoes that exhibit this inconsistency.

Obtain the names of all the nurses who have ever been on call for room 123.

The hospital has several examination rooms where appointments take place. Obtain the number of appointments that have taken place in each examination room.

N.b. The solution below fails in MS SQL Server Management Studio, with the following message: Msg 306, Level 16, State 2, Line 473 The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator.

Obtain the names of all patients (also include, for each patient, the name of the patient's primary care physician), such that \emph{all} the following are true:
 * The patient has been prescribed some medication by his/her primary care physician.
 * The patient has undergone a procedure with a cost larger that $5,000
 * The patient has had at least two appointment where the nurse who prepped the appointment was a registered nurse.
 * The patient's primary care physician is not the head of any department.

Table creation code
Please note the syntax presented here is for the SQLite system. It has been tested by the authors on  specifically. Click below to see MYSQL syntax, tested on. Note that the names of some fields had to be changed from the  version because they are reserved words in MYSQL.

CREATE TABLE Physician (  EmployeeID INTEGER PRIMARY KEY NOT NULL,   Name TEXT NOT NULL,   Position TEXT NOT NULL,   SSN INTEGER NOT NULL ); CREATE TABLE Department (  DepartmentID INTEGER PRIMARY KEY NOT NULL,   Name TEXT NOT NULL,   Head INTEGER NOT NULL     CONSTRAINT fk_Physician_EmployeeID REFERENCES Physician(EmployeeID) ); CREATE TABLE Affiliated_With (  Physician INTEGER NOT NULL     CONSTRAINT fk_Physician_EmployeeID REFERENCES Physician(EmployeeID),   Department INTEGER NOT NULL     CONSTRAINT fk_Department_DepartmentID REFERENCES Department(DepartmentID),   PrimaryAffiliation BOOLEAN NOT NULL,   PRIMARY KEY(Physician, Department) ); CREATE TABLE Procedure (  Code INTEGER PRIMARY KEY NOT NULL,   Name TEXT NOT NULL,   Cost REAL NOT NULL ); CREATE TABLE Trained_In (  Physician INTEGER NOT NULL     CONSTRAINT fk_Physician_EmployeeID REFERENCES Physician(EmployeeID),   Treatment INTEGER NOT NULL     CONSTRAINT fk_Procedure_Code REFERENCES Procedure(Code),   CertificationDate DATETIME NOT NULL,   CertificationExpires DATETIME NOT NULL,   PRIMARY KEY(Physician, Treatment) ); CREATE TABLE Patient (  SSN INTEGER PRIMARY KEY NOT NULL,   Name TEXT NOT NULL,   Address TEXT NOT NULL,   Phone TEXT NOT NULL,   InsuranceID INTEGER NOT NULL,   PCP INTEGER NOT NULL     CONSTRAINT fk_Physician_EmployeeID REFERENCES Physician(EmployeeID) ); CREATE TABLE Nurse (  EmployeeID INTEGER PRIMARY KEY NOT NULL,   Name TEXT NOT NULL,   Position TEXT NOT NULL,   Registered BOOLEAN NOT NULL,   SSN INTEGER NOT NULL ); CREATE TABLE Appointment (  AppointmentID INTEGER PRIMARY KEY NOT NULL,   Patient INTEGER NOT NULL     CONSTRAINT fk_Patient_SSN REFERENCES Patient(SSN),   PrepNurse INTEGER     CONSTRAINT fk_Nurse_EmployeeID REFERENCES Nurse(EmployeeID),   Physician INTEGER NOT NULL     CONSTRAINT fk_Physician_EmployeeID REFERENCES Physician(EmployeeID),   Start DATETIME NOT NULL,   End DATETIME NOT NULL,   ExaminationRoom TEXT NOT NULL ); CREATE TABLE Medication (  Code INTEGER PRIMARY KEY NOT NULL,   Name TEXT NOT NULL,   Brand TEXT NOT NULL,   Description TEXT NOT NULL ); CREATE TABLE Prescribes (  Physician INTEGER NOT NULL     CONSTRAINT fk_Physician_EmployeeID REFERENCES Physician(EmployeeID),   Patient INTEGER NOT NULL     CONSTRAINT fk_Patient_SSN REFERENCES Patient(SSN),   Medication INTEGER NOT NULL     CONSTRAINT fk_Medication_Code REFERENCES Medication(Code),   Date DATETIME NOT NULL,   Appointment INTEGER     CONSTRAINT fk_Appointment_AppointmentID REFERENCES Appointment(AppointmentID),   Dose TEXT NOT NULL,   PRIMARY KEY(Physician, Patient, Medication, Date) ); CREATE TABLE Block (  Floor INTEGER NOT NULL,   Code INTEGER NOT NULL,   PRIMARY KEY(Floor, Code) ); CREATE TABLE Room (  Number INTEGER PRIMARY KEY NOT NULL,   Type TEXT NOT NULL,   BlockFloor INTEGER NOT NULL,   BlockCode INTEGER NOT NULL,   Unavailable BOOLEAN NOT NULL,   FOREIGN KEY(BlockFloor, BlockCode) REFERENCES Block ); CREATE TABLE On_Call (  Nurse INTEGER NOT NULL     CONSTRAINT fk_Nurse_EmployeeID REFERENCES Nurse(EmployeeID),   BlockFloor INTEGER NOT NULL,   BlockCode INTEGER NOT NULL,   Start DATETIME NOT NULL,   End DATETIME NOT NULL,   PRIMARY KEY(Nurse, BlockFloor, BlockCode, Start, End),   FOREIGN KEY(BlockFloor, BlockCode) REFERENCES Block ); CREATE TABLE Stay (  StayID INTEGER PRIMARY KEY NOT NULL,   Patient INTEGER NOT NULL     CONSTRAINT fk_Patient_SSN REFERENCES Patient(SSN),   Room INTEGER NOT NULL     CONSTRAINT fk_Room_Number REFERENCES Room(Number),   Start DATETIME NOT NULL,   End DATETIME NOT NULL ); CREATE TABLE Undergoes (  Patient INTEGER NOT NULL     CONSTRAINT fk_Patient_SSN REFERENCES Patient(SSN),   Procedure INTEGER NOT NULL     CONSTRAINT fk_Procedure_Code REFERENCES Procedure(Code),   Stay INTEGER NOT NULL     CONSTRAINT fk_Stay_StayID REFERENCES Stay(StayID),   Date DATETIME NOT NULL,   Physician INTEGER NOT NULL     CONSTRAINT fk_Physician_EmployeeID REFERENCES Physician(EmployeeID),   AssistingNurse INTEGER     CONSTRAINT fk_Nurse_EmployeeID REFERENCES Nurse(EmployeeID),   PRIMARY KEY(Patient, Procedure, Stay, Date) );

Sample dataset
INSERT INTO Physician VALUES(1,'John Dorian','Staff Internist',111111111); INSERT INTO Physician VALUES(2,'Elliot Reid','Attending Physician',222222222); INSERT INTO Physician VALUES(3,'Christopher Turk','Surgical Attending Physician',333333333); INSERT INTO Physician VALUES(4,'Percival Cox','Senior Attending Physician',444444444); INSERT INTO Physician VALUES(5,'Bob Kelso','Head Chief of Medicine',555555555); INSERT INTO Physician VALUES(6,'Todd Quinlan','Surgical Attending Physician',666666666); INSERT INTO Physician VALUES(7,'John Wen','Surgical Attending Physician',777777777); INSERT INTO Physician VALUES(8,'Keith Dudemeister','MD Resident',888888888); INSERT INTO Physician VALUES(9,'Molly Clock','Attending Psychiatrist',999999999);

INSERT INTO Department VALUES(1,'General Medicine',4); INSERT INTO Department VALUES(2,'Surgery',7); INSERT INTO Department VALUES(3,'Psychiatry',9);

INSERT INTO Affiliated_With VALUES(1,1,1); INSERT INTO Affiliated_With VALUES(2,1,1); INSERT INTO Affiliated_With VALUES(3,1,0); INSERT INTO Affiliated_With VALUES(3,2,1); INSERT INTO Affiliated_With VALUES(4,1,1); INSERT INTO Affiliated_With VALUES(5,1,1); INSERT INTO Affiliated_With VALUES(6,2,1); INSERT INTO Affiliated_With VALUES(7,1,0); INSERT INTO Affiliated_With VALUES(7,2,1); INSERT INTO Affiliated_With VALUES(8,1,1); INSERT INTO Affiliated_With VALUES(9,3,1);

INSERT INTO Procedure VALUES(1,'Reverse Rhinopodoplasty',1500.0); INSERT INTO Procedure VALUES(2,'Obtuse Pyloric Recombobulation',3750.0); INSERT INTO Procedure VALUES(3,'Folded Demiophtalmectomy',4500.0); INSERT INTO Procedure VALUES(4,'Complete Walletectomy',10000.0); INSERT INTO Procedure VALUES(5,'Obfuscated Dermogastrotomy',4899.0); INSERT INTO Procedure VALUES(6,'Reversible Pancreomyoplasty',5600.0); INSERT INTO Procedure VALUES(7,'Follicular Demiectomy',25.0);

INSERT INTO Patient VALUES(100000001,'John Smith','42 Foobar Lane','555-0256',68476213,1); INSERT INTO Patient VALUES(100000002,'Grace Ritchie','37 Snafu Drive','555-0512',36546321,2); INSERT INTO Patient VALUES(100000003,'Random J. Patient','101 Omgbbq Street','555-1204',65465421,2); INSERT INTO Patient VALUES(100000004,'Dennis Doe','1100 Foobaz Avenue','555-2048',68421879,3);

INSERT INTO Nurse VALUES(101,'Carla Espinosa','Head Nurse',1,111111110); INSERT INTO Nurse VALUES(102,'Laverne Roberts','Nurse',1,222222220); INSERT INTO Nurse VALUES(103,'Paul Flowers','Nurse',0,333333330);

INSERT INTO Appointment VALUES(13216584,100000001,101,1,'2008-04-24 10:00','2008-04-24 11:00','A'); INSERT INTO Appointment VALUES(26548913,100000002,101,2,'2008-04-24 10:00','2008-04-24 11:00','B'); INSERT INTO Appointment VALUES(36549879,100000001,102,1,'2008-04-25 10:00','2008-04-25 11:00','A'); INSERT INTO Appointment VALUES(46846589,100000004,103,4,'2008-04-25 10:00','2008-04-25 11:00','B'); INSERT INTO Appointment VALUES(59871321,100000004,NULL,4,'2008-04-26 10:00','2008-04-26 11:00','C'); INSERT INTO Appointment VALUES(69879231,100000003,103,2,'2008-04-26 11:00','2008-04-26 12:00','C'); INSERT INTO Appointment VALUES(76983231,100000001,NULL,3,'2008-04-26 12:00','2008-04-26 13:00','C'); INSERT INTO Appointment VALUES(86213939,100000004,102,9,'2008-04-27 10:00','2008-04-21 11:00','A'); INSERT INTO Appointment VALUES(93216548,100000002,101,2,'2008-04-27 10:00','2008-04-27 11:00','B');

INSERT INTO Medication VALUES(1,'Procrastin-X','X','N/A'); INSERT INTO Medication VALUES(2,'Thesisin','Foo Labs','N/A'); INSERT INTO Medication VALUES(3,'Awakin','Bar Laboratories','N/A'); INSERT INTO Medication VALUES(4,'Crescavitin','Baz Industries','N/A'); INSERT INTO Medication VALUES(5,'Melioraurin','Snafu Pharmaceuticals','N/A');

INSERT INTO Prescribes VALUES(1,100000001,1,'2008-04-24 10:47',13216584,'5'); INSERT INTO Prescribes VALUES(9,100000004,2,'2008-04-27 10:53',86213939,'10'); INSERT INTO Prescribes VALUES(9,100000004,2,'2008-04-30 16:53',NULL,'5');

INSERT INTO Block VALUES(1,1); INSERT INTO Block VALUES(1,2); INSERT INTO Block VALUES(1,3); INSERT INTO Block VALUES(2,1); INSERT INTO Block VALUES(2,2); INSERT INTO Block VALUES(2,3); INSERT INTO Block VALUES(3,1); INSERT INTO Block VALUES(3,2); INSERT INTO Block VALUES(3,3); INSERT INTO Block VALUES(4,1); INSERT INTO Block VALUES(4,2); INSERT INTO Block VALUES(4,3);

INSERT INTO Room VALUES(101,'Single',1,1,0); INSERT INTO Room VALUES(102,'Single',1,1,0); INSERT INTO Room VALUES(103,'Single',1,1,0); INSERT INTO Room VALUES(111,'Single',1,2,0); INSERT INTO Room VALUES(112,'Single',1,2,1); INSERT INTO Room VALUES(113,'Single',1,2,0); INSERT INTO Room VALUES(121,'Single',1,3,0); INSERT INTO Room VALUES(122,'Single',1,3,0); INSERT INTO Room VALUES(123,'Single',1,3,0); INSERT INTO Room VALUES(201,'Single',2,1,1); INSERT INTO Room VALUES(202,'Single',2,1,0); INSERT INTO Room VALUES(203,'Single',2,1,0); INSERT INTO Room VALUES(211,'Single',2,2,0); INSERT INTO Room VALUES(212,'Single',2,2,0); INSERT INTO Room VALUES(213,'Single',2,2,1); INSERT INTO Room VALUES(221,'Single',2,3,0); INSERT INTO Room VALUES(222,'Single',2,3,0); INSERT INTO Room VALUES(223,'Single',2,3,0); INSERT INTO Room VALUES(301,'Single',3,1,0); INSERT INTO Room VALUES(302,'Single',3,1,1); INSERT INTO Room VALUES(303,'Single',3,1,0); INSERT INTO Room VALUES(311,'Single',3,2,0); INSERT INTO Room VALUES(312,'Single',3,2,0); INSERT INTO Room VALUES(313,'Single',3,2,0); INSERT INTO Room VALUES(321,'Single',3,3,1); INSERT INTO Room VALUES(322,'Single',3,3,0); INSERT INTO Room VALUES(323,'Single',3,3,0); INSERT INTO Room VALUES(401,'Single',4,1,0); INSERT INTO Room VALUES(402,'Single',4,1,1); INSERT INTO Room VALUES(403,'Single',4,1,0); INSERT INTO Room VALUES(411,'Single',4,2,0); INSERT INTO Room VALUES(412,'Single',4,2,0); INSERT INTO Room VALUES(413,'Single',4,2,0); INSERT INTO Room VALUES(421,'Single',4,3,1); INSERT INTO Room VALUES(422,'Single',4,3,0); INSERT INTO Room VALUES(423,'Single',4,3,0);

INSERT INTO On_Call VALUES(101,1,1,'2008-11-04 11:00','2008-11-04 19:00'); INSERT INTO On_Call VALUES(101,1,2,'2008-11-04 11:00','2008-11-04 19:00'); INSERT INTO On_Call VALUES(102,1,3,'2008-11-04 11:00','2008-11-04 19:00'); INSERT INTO On_Call VALUES(103,1,1,'2008-11-04 19:00','2008-11-05 03:00'); INSERT INTO On_Call VALUES(103,1,2,'2008-11-04 19:00','2008-11-05 03:00'); INSERT INTO On_Call VALUES(103,1,3,'2008-11-04 19:00','2008-11-05 03:00');

INSERT INTO Stay VALUES(3215,100000001,111,'2008-05-01','2008-05-04'); INSERT INTO Stay VALUES(3216,100000003,123,'2008-05-03','2008-05-14'); INSERT INTO Stay VALUES(3217,100000004,112,'2008-05-02','2008-05-03');

INSERT INTO Undergoes VALUES(100000001,6,3215,'2008-05-02',3,101); INSERT INTO Undergoes VALUES(100000001,2,3215,'2008-05-03',7,101); INSERT INTO Undergoes VALUES(100000004,1,3217,'2008-05-07',3,102); INSERT INTO Undergoes VALUES(100000004,5,3217,'2008-05-09',6,NULL); INSERT INTO Undergoes VALUES(100000001,7,3217,'2008-05-10',7,101); INSERT INTO Undergoes VALUES(100000004,4,3217,'2008-05-13',3,103);

INSERT INTO Trained_In VALUES(3,1,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(3,2,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(3,5,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(3,6,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(3,7,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(6,2,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(6,5,'2007-01-01','2007-12-31'); INSERT INTO Trained_In VALUES(6,6,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(7,1,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(7,2,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(7,3,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(7,4,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(7,5,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(7,6,'2008-01-01','2008-12-31'); INSERT INTO Trained_In VALUES(7,7,'2008-01-01','2008-12-31');