.


:




:

































 

 

 

 





 

"" ('Data Entity') . 22.

22. - ""

 

"" , 23.

 

 

23. - ""

 

.

'Data Entities'. . 24.

 

 

24. -

 

:

'Outgoing Relations' - ;

'Incoming Relations' - .

'Outgoing Relations' :

'Referenced Data Entities (Association)' - . . . , .

'Referenced Data Entities (Composition)' - . . , . .

'Referenced Data Entities (Generalization)' - . . , .

'Referenced Data Entities (Aggregation)' - . . , , .

'Incoming Relations' :

'Is Associated by' - , .

'Is Part of the Following Composition' - , .

25 .

25. -

 

26 "Classification" .

26.- "Classification"

 

:

"Master data" - . , . , , , , ..

"Transaction data" - -.

" Inventory data (or analytical data)" - , - .

 





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