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EER

EER. Domain of Attribute. Temel olarak alacağı değerler kümesini tanımlar Komposit birleşik alanlar için domain O alanların kartezyen çarpımına eşit olacaktır. Example. Company Department DepID , Name, Number of Employees, Manager … Project

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EER

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  1. EER

  2. Domain of Attribute • Temelolarakalacağıdeğerlerkümesinitanımlar • Kompositbirleşikalanlariçin domain • O alanlarınkartezyençarpımınaeşitolacaktır

  3. Example • Company • Department • DepID, Name, Number of Employees, Manager … • Project • ProjectID, Name, Team strenghtLoacation. • Employee • Emp_ID, Name (F M L), Gender, address salary

  4. Realtionship • 2 veyadahafazlavarlıkarasıolması • Anlatırki her bridepartmenbiremloyeetarafındayönetilmeli • E1, E2

  5. Relationship • İlişkininderecesikatılanvarlıklarınsayısınıiçerir • Unary, binary, ternary • Unary ??? • Örnek

  6. Example University Database

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