Transcript
![Page 1: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/1.jpg)
1.
ER dijagrami u Power Designer-u
Baze podataka 2
![Page 2: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/2.jpg)
2.
Tip entiteta
E
A1 A2 A3 A4
![Page 3: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/3.jpg)
3.
Tip poveznika 1 : N
A B (1, 1) (0, N)
A B
![Page 4: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/4.jpg)
4.
Rekurzivni tip poveznika N : 1
A (0, 1)
(0, N)
A
![Page 5: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/5.jpg)
5.
Identifikacioni tip poveznika
A B
(0, N) (1, 1)
A B
![Page 6: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/6.jpg)
6.
Tip poveznika M : N
Tip poveznika bez obeležja
A B (0, N) (0, M)
AB
A B
![Page 7: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/7.jpg)
7.
Tip poveznika M : N
Tip poveznika sa obeležjima
Association
A B (1, M) (0, N)
AB
(0, N) (1, M) A B
![Page 8: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/8.jpg)
8.
Rekurzivni tip poveznika M : N
A (0, M)
(0, N)
AA
A
![Page 9: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/9.jpg)
9.
Tip poveznika 1 : 1
A B (1, 1) (0, 1)
A B
![Page 10: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/10.jpg)
10.
Gerund
A B
C
(0, N) (0, M)
(0, N)
AB
AC ABC
(0, N)
(0, N)
(0, N)
![Page 11: ER dijagrami u Power Designer-u - acs.uns.ac.rs · Power Designer Baze podataka 2 . Al (15) C (20 ) Tip poveznika bez obeležja . Tip poveznika sa obelezyma . AB A AB a . Title: No](https://reader030.vdocuments.net/reader030/viewer/2022013117/5ca1d24288c993eb5d8d0063/html5/thumbnails/11.jpg)
Gerund
11.
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12.
IS-A hijerarhija
A
B C
IS - A
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13.
IS-A hijerarhija
A
B C
IS - A
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14.
ER dijagrami u Power Designer
Baze podataka 2