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Add Al Noor Hospital Management SQL scripts. #609

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16 changes: 16 additions & 0 deletions sql/00_drop_tables.sql
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Original file line number Diff line number Diff line change
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-- Al Noor Hospital Management System
-- Drop objects (run only if re-installing)

BEGIN
FOR t IN (
SELECT table_name FROM user_tables
WHERE table_name IN (
'PRESCRIPTION_ITEMS', 'PRESCRIPTIONS', 'PATIENT_VISITS', 'ADMISSIONS',
'APPOINTMENTS', 'MEDICINES', 'DOCTORS', 'PATIENTS', 'ROOMS',
'APPOINTMENT_STATUSES', 'MEDICINE_CATEGORIES', 'DOCTOR_SPECIALTIES', 'DEPARTMENTS'
)
) LOOP
EXECUTE IMMEDIATE 'DROP TABLE ' || t.table_name || ' CASCADE CONSTRAINTS';
END LOOP;
END;
/
212 changes: 212 additions & 0 deletions sql/01_schema.sql
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-- =============================================================================
-- Al Noor Hospital Management System — Database Schema
-- Oracle Database / Oracle APEX compatible
-- =============================================================================

-- -----------------------------------------------------------------------------
-- A. LOOKUP / REFERENCE TABLES
-- -----------------------------------------------------------------------------

CREATE TABLE departments (
department_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
department_name VARCHAR2(100) NOT NULL,
floor_no NUMBER(3),
status VARCHAR2(20) DEFAULT 'Active' NOT NULL,
CONSTRAINT chk_dept_status CHECK (status IN ('Active', 'Inactive'))
);

CREATE TABLE doctor_specialties (
specialty_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
specialty_name VARCHAR2(100) NOT NULL,
status VARCHAR2(20) DEFAULT 'Active' NOT NULL,
CONSTRAINT chk_spec_status CHECK (status IN ('Active', 'Inactive'))
);

CREATE TABLE medicine_categories (
category_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
category_name VARCHAR2(100) NOT NULL,
status VARCHAR2(20) DEFAULT 'Active' NOT NULL,
CONSTRAINT chk_medcat_status CHECK (status IN ('Active', 'Inactive'))
);

CREATE TABLE appointment_statuses (
status_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
status_name VARCHAR2(50) NOT NULL,
CONSTRAINT uq_appt_status_name UNIQUE (status_name)
);

-- -----------------------------------------------------------------------------
-- B. CORE TABLES
-- -----------------------------------------------------------------------------

CREATE TABLE patients (
patient_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
civil_id VARCHAR2(20) NOT NULL,
full_name VARCHAR2(150) NOT NULL,
gender VARCHAR2(10) NOT NULL,
date_of_birth DATE NOT NULL,
mobile_no VARCHAR2(20) NOT NULL,
email VARCHAR2(100),
blood_group VARCHAR2(5),
address VARCHAR2(300),
emergency_contact_name VARCHAR2(150),
emergency_contact_no VARCHAR2(20),
created_at DATE DEFAULT SYSDATE NOT NULL,
CONSTRAINT uq_patient_civil_id UNIQUE (civil_id),
CONSTRAINT chk_patient_gender CHECK (gender IN ('Male', 'Female')),
CONSTRAINT chk_patient_blood CHECK (
blood_group IS NULL OR blood_group IN (
'A+', 'A-', 'B+', 'B-', 'O+', 'O-', 'AB+', 'AB-'
)
)
);

CREATE TABLE doctors (
doctor_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
full_name VARCHAR2(150) NOT NULL,
department_id NUMBER NOT NULL,
specialty_id NUMBER NOT NULL,
mobile_no VARCHAR2(20),
email VARCHAR2(100),
consultation_fee NUMBER(10, 3) DEFAULT 0 NOT NULL,
status VARCHAR2(20) DEFAULT 'Active' NOT NULL,
CONSTRAINT fk_doctor_dept FOREIGN KEY (department_id)
REFERENCES departments (department_id),
CONSTRAINT fk_doctor_spec FOREIGN KEY (specialty_id)
REFERENCES doctor_specialties (specialty_id),
CONSTRAINT chk_doctor_status CHECK (status IN ('Active', 'Inactive')),
CONSTRAINT chk_doctor_fee CHECK (consultation_fee >= 0)
);

CREATE TABLE medicines (
medicine_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
medicine_name VARCHAR2(150) NOT NULL,
category_id NUMBER NOT NULL,
unit VARCHAR2(50) NOT NULL,
current_stock NUMBER(10) DEFAULT 0 NOT NULL,
reorder_level NUMBER(10) DEFAULT 10 NOT NULL,
status VARCHAR2(20) DEFAULT 'Active' NOT NULL,
CONSTRAINT fk_medicine_cat FOREIGN KEY (category_id)
REFERENCES medicine_categories (category_id),
CONSTRAINT chk_medicine_status CHECK (status IN ('Active', 'Inactive')),
CONSTRAINT chk_medicine_stock CHECK (current_stock >= 0),
CONSTRAINT chk_medicine_reorder CHECK (reorder_level >= 0)
);

CREATE TABLE appointments (
appointment_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
patient_id NUMBER NOT NULL,
doctor_id NUMBER NOT NULL,
appointment_date DATE NOT NULL,
appointment_time VARCHAR2(10) NOT NULL,
status_id NUMBER NOT NULL,
reason_for_visit VARCHAR2(500),
created_at DATE DEFAULT SYSDATE NOT NULL,
CONSTRAINT fk_appt_patient FOREIGN KEY (patient_id)
REFERENCES patients (patient_id),
CONSTRAINT fk_appt_doctor FOREIGN KEY (doctor_id)
REFERENCES doctors (doctor_id),
CONSTRAINT fk_appt_status FOREIGN KEY (status_id)
REFERENCES appointment_statuses (status_id)
);

CREATE TABLE patient_visits (
visit_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
appointment_id NUMBER NOT NULL,
patient_id NUMBER NOT NULL,
doctor_id NUMBER NOT NULL,
visit_date DATE DEFAULT SYSDATE NOT NULL,
symptoms VARCHAR2(1000),
diagnosis VARCHAR2(1000),
notes VARCHAR2(2000),
follow_up_date DATE,
CONSTRAINT fk_visit_appt FOREIGN KEY (appointment_id)
REFERENCES appointments (appointment_id),
CONSTRAINT fk_visit_patient FOREIGN KEY (patient_id)
REFERENCES patients (patient_id),
CONSTRAINT fk_visit_doctor FOREIGN KEY (doctor_id)
REFERENCES doctors (doctor_id),
CONSTRAINT uq_visit_appointment UNIQUE (appointment_id)
);

CREATE TABLE prescriptions (
prescription_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
visit_id NUMBER NOT NULL,
patient_id NUMBER NOT NULL,
doctor_id NUMBER NOT NULL,
prescription_date DATE DEFAULT SYSDATE NOT NULL,
notes VARCHAR2(1000),
CONSTRAINT fk_rx_visit FOREIGN KEY (visit_id)
REFERENCES patient_visits (visit_id),
CONSTRAINT fk_rx_patient FOREIGN KEY (patient_id)
REFERENCES patients (patient_id),
CONSTRAINT fk_rx_doctor FOREIGN KEY (doctor_id)
REFERENCES doctors (doctor_id),
CONSTRAINT uq_rx_visit UNIQUE (visit_id)
);

CREATE TABLE prescription_items (
prescription_item_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
prescription_id NUMBER NOT NULL,
medicine_id NUMBER NOT NULL,
dosage VARCHAR2(100),
frequency VARCHAR2(100),
duration_days NUMBER(5),
instructions VARCHAR2(300),
CONSTRAINT fk_rxitem_rx FOREIGN KEY (prescription_id)
REFERENCES prescriptions (prescription_id) ON DELETE CASCADE,
CONSTRAINT fk_rxitem_med FOREIGN KEY (medicine_id)
REFERENCES medicines (medicine_id),
CONSTRAINT chk_rxitem_duration CHECK (duration_days IS NULL OR duration_days > 0)
);

CREATE TABLE rooms (
room_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
room_no VARCHAR2(20) NOT NULL,
room_type VARCHAR2(30) NOT NULL,
daily_rate NUMBER(10, 3) DEFAULT 0 NOT NULL,
status VARCHAR2(20) DEFAULT 'Available' NOT NULL,
CONSTRAINT uq_room_no UNIQUE (room_no),
CONSTRAINT chk_room_type CHECK (room_type IN ('General', 'Private', 'ICU')),
CONSTRAINT chk_room_status CHECK (status IN ('Available', 'Occupied', 'Maintenance')),
CONSTRAINT chk_room_rate CHECK (daily_rate >= 0)
);

CREATE TABLE admissions (
admission_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
patient_id NUMBER NOT NULL,
doctor_id NUMBER NOT NULL,
room_id NUMBER NOT NULL,
admission_date DATE DEFAULT SYSDATE NOT NULL,
discharge_date DATE,
admission_reason VARCHAR2(500),
status VARCHAR2(20) DEFAULT 'Admitted' NOT NULL,
CONSTRAINT fk_adm_patient FOREIGN KEY (patient_id)
REFERENCES patients (patient_id),
CONSTRAINT fk_adm_doctor FOREIGN KEY (doctor_id)
REFERENCES doctors (doctor_id),
CONSTRAINT fk_adm_room FOREIGN KEY (room_id)
REFERENCES rooms (room_id),
CONSTRAINT chk_adm_status CHECK (status IN ('Admitted', 'Discharged')),
CONSTRAINT chk_adm_discharge CHECK (
(status = 'Admitted' AND discharge_date IS NULL)
OR (status = 'Discharged' AND discharge_date IS NOT NULL)
)
);

-- -----------------------------------------------------------------------------
-- INDEXES for report / lookup performance
-- -----------------------------------------------------------------------------

CREATE INDEX idx_doctors_dept ON doctors (department_id);
CREATE INDEX idx_doctors_spec ON doctors (specialty_id);
CREATE INDEX idx_appt_patient ON appointments (patient_id);
CREATE INDEX idx_appt_doctor ON appointments (doctor_id);
CREATE INDEX idx_appt_date ON appointments (appointment_date);
CREATE INDEX idx_visits_patient ON patient_visits (patient_id);
CREATE INDEX idx_visits_doctor ON patient_visits (doctor_id);
CREATE INDEX idx_adm_patient ON admissions (patient_id);
CREATE INDEX idx_adm_status ON admissions (status);
CREATE INDEX idx_med_stock ON medicines (current_stock, reorder_level);

COMMIT;
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