diff --git a/SQL/Schema.sql b/SQL/Schema.sql
index 4789a2d..4a8125c 100644
--- a/SQL/Schema.sql
+++ b/SQL/Schema.sql
@@ -92,7 +92,7 @@ CREATE TABLE BookingGuest (
     bookingId NUMBER NOT NULL,
     personId NUMBER NOT NULL,
     PRIMARY KEY(bookingId, personId),
-    FOREIGN KEY (bookingId) REFERENCES Booking(bookingId),
+    FOREIGN KEY (bookingId) REFERENCES Booking(bookingId) ON DELETE CASCADE,
     FOREIGN KEY (personId) REFERENCES Person(personId)
 );
 
@@ -100,7 +100,7 @@ CREATE TABLE BookingRoom (
     bookingId NUMBER NOT NULL,
     roomNumber NUMBER NOT NULL,
     PRIMARY KEY(bookingId, roomNumber),
-    FOREIGN KEY (bookingId) REFERENCES Booking(bookingId),
+    FOREIGN KEY (bookingId) REFERENCES Booking(bookingId) ON DELETE CASCADE,
     FOREIGN KEY (roomNumber) REFERENCES Room(roomNumber)
 );