one of the advantages It does not facilitate the development of new application software.
Anonymous Quiz
50%
True
50%
False
👏3
👏4
Database systems are complex, difficult and time-consuming to design.
Anonymous Quiz
76%
true
24%
false
👏6
👏3
• If a user wants to change the structure of a file, all the programs that access that file might need to be changed as well.
Anonymous Quiz
74%
T
26%
F
👏3
• Extensive conversion costs in moving form a file-based system to a database system.
Anonymous Quiz
80%
T
20%
F
👏4
(....) is a way of organizing data such that it appears to the user to be stored in a series of interrelated tables.
Anonymous Quiz
59%
RDB
20%
ER
21%
DBMS
👏2
👏2
(.....) is software that has been created to allow the efficient use and management of databases
Anonymous Quiz
74%
DBMS
16%
DB
10%
ER
👏3
👏4
some phases are database management system independent and some are dependent.
Anonymous Quiz
77%
T
23%
F
👏3
Data requirements are used as a ...........?
Anonymous Quiz
66%
source of database design
15%
userdefined operations
19%
software design
👏3
The data requirements should be specified in as (.......and.....) as possible.
Anonymous Quiz
52%
retrievals and updates
48%
detailed and complete form
👏3
The functional requirements of the application consist of the operations carried out by user(......&......)
Anonymous Quiz
21%
data sharing and ERD
32%
Data and information
46%
retrieval and updating
👏4
ص6/قواعد
Q/The purpose of the conceptual design phase ?
ماهو الغرض من مرحلة التصميم النظري؟
ans//
Is to build a conceptual model based upon the previously identified requirements, but closer to the final physical model
هو بناء نموذج نظري يعتمد على المتطلبات المحددة مسبقًا ، ولكن أقرب إلى النموذج المادي النهائي
Q/The purpose of the conceptual design phase ?
ماهو الغرض من مرحلة التصميم النظري؟
ans//
Is to build a conceptual model based upon the previously identified requirements, but closer to the final physical model
هو بناء نموذج نظري يعتمد على المتطلبات المحددة مسبقًا ، ولكن أقرب إلى النموذج المادي النهائي
👏6
👍3
👍3