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Relational Database Design by ER- and EER- to-Relational Mapping

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Presentation on theme: "Relational Database Design by ER- and EER- to-Relational Mapping"— Presentation transcript:

1 Relational Database Design by ER- and EER- to-Relational Mapping
Chapter 9 Relational Database Design by ER- and EER- to-Relational Mapping تنبيه : شرائح العرض (Slides) هي وسيلة لتوضيح الدرس واداة من الادوات في ذلك. حيث المرجع الاساسي للمادة هي الكتاب المعتمد في وصف المقرر

2 1-M Strong & Strong Relation

3 1-M Strong & Strong Relation

4 1-M Strong & Strong Relation

5 Identification Relation
1-M Strong & Weak Identification Relation

6 Identification Relation
1-M Strong & Weak Identification Relation

7 1-M Strong & Weak Relation

8 1-M Strong & Weak Relation

9 1-M Strong & Weak Relation

10 FARS Restrictions Amount Fare-Code Flight-No FLIGHT WeekDays AirLine Number FLIGHT-LEG Sched-ArrTime Arr-Air-Code Sched-DeptTime Dept-Air-Code Leg-No Fight-No LEG-INSTANCE Arr-Time Arr-Air-Code Dept-Time Dept-Air-Code AirPlaneID NoOfAvailSeat Date Leg-No Flight-No SEAT-RESERVATION Phone Name Seat-No Date Leg-No Flight-No AIRPORT City Name Air-Code AIRPLANE AirPlanTypeName TotalNoOfSeats AirPlanID AIRPLANE-TYPE Company Max-Seats Type-Name CAN-LAND Airport-Code AirPlanTypeName

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