human
Schema:
Physician (EmployeeID, Name, Position, SSN)
Department (DepartmentID, Name, Head)
Affiliated_With (Physician, Department, PrimaryAffiliation)
Procedures (Code, Name, Cost)
Trained_In (Physician, Treatment, CertificationDate, CertificationExpires)
Patient (SSN, Name, Address, Phone, InsuranceID, PCP)
Nurse (EmployeeID, Name, Position, Registered, SSN)
Appointment (AppointmentID, Patient, PrepNurse, Physician, Start, End, ExaminationRoom)
Medication (Code, Name, Brand, Description)
Prescribes (Physician, Patient, Medication, Date, Appointment, Dose)
Block (BlockFloor, BlockCode)
Room (RoomNumber, RoomType, BlockFloor, BlockCode, Unavailable)
On_Call (Nurse, BlockFloor, BlockCode, OnCallStart, OnCallEnd)
Stay (StayID, Patient, Room, StayStart, StayEnd)
Undergoes (Patient, Procedures, Stay, DateUndergoes, Physician, AssistingNurse)
Please answer with SQL.
assistant
Sure, I understand.
human
Can you show me how many rooms are there in total?
assistant
SELECT COUNT( * ) FROM room;
human
How about the total number of block codes?
assistant
SELECT COUNT( distinct blockcode ) FROM room ;