Page 16 - الحاسب الآلي ثانية إرشاد 2

‫أﻧﻈﻤﺔ ﻗﻮاﻋﺪ اﻟﺒﻴﺎﻧﺎت‬ ‫اﻟﻔﺼﻞ اﻷول‬

Data Dictionary -٣
Occurrence
DataBase Administration
.
Physical Data

Entity Physical Data

Data Base management System(DBMS)

.

(Charles Bachman) (General-purpose DBMS)

(Integrated Data Store)

.(Network Data Model)

(IMS) ‫ ﻴﺴﻤﻲ‬DBMS (IBM)

(Information management system)

Hierarchical data )

.(model

(IBM)

‫( ﺘﻌﺎﻤل‬SABER)

‫ ﻨﻔﺴﻪ‬Saber computer network

(Travelocity)

١٦