Data Base Management System (DBMS): Is a generalized S.W interface to translate between the global view of the data in the db and the local view expected by each application program.
The DBMS Facilities
1- The DBMS can make the procedure for coping with the new data item simples and reliable.
2- Changing the format of data item doesn t affecting the application program.
3- Data could be transferred to different storage devices.
4- DBMS provide data structuring facilities which are capable of expressing the often complex relationships which may exist between data item, moreover it must by possible to access data sufficiently quickly to satisfy the needs of a variety.
5- DBMS should validate data before permitting it to be stored with db and should provide comprehensive recovery procedure.
6- An acceptable compromise sol. must be south which satisfy all user requirements while optimizing the over all performance of the dbs this task will be made easier if the DBMS contains facilities both monitoring db performance and also for tuning the sys performance.
7- A DBMS may allow access to the same db via different host language feature which facilitates the sharing of same db by different kinds of application.
المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .