Important CS403 Short Notes

Important CS403 Short Notes. Aslam u Alaikum dear students. If you are looking for Important CS403 Short Notes file? Then you are visiting the right website. I provided the perfect solution here according to my efforts. If there is any mistake then please correct it before submitting the VULMS account and before midterm and final term exams preparation. Thanks

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Important CS403 Short Notes
Important CS403 Short Notes

The figure shows various subsystems or applications in an educational institution, e.g library system, examination system and registration system. They are separate, different application programs for each application or subsystem. However, data for all applications are stored in the same place in the database and all application programs the relevant data and users are managed by the DBMS.
This is a typical database system environment and brings the following benefits:
o Data Sharing
Data for different applications or subsystems resides in the same place. This represents the main advantage of data sharing. That is, data that is common between them different applications do not need to be saved repeatedly, as was the case with a file processing environment. For example, all three systems of an educational institution.

In figure 3 you need to store data about students. Sample data can be seen in the Database Management System VU (CS403).© Copyright Virtual University of Pakistan16from figure 2. Now details like registration number, name, address, father’s name, that is common in various applications, it is repeatedly stored in a file
processing system environment where it is stored only once in the database system environment and is shared by all applications.

Important CS403 Short Notes

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