ENG501 Short Notes for Final Term and Mid Term . Aslam u Alaikum dear students. If you are looking for ENG501 Short Notes for Final Term and Mid Term 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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From the above scenario we can see that all the entities are logically are related to each other in one way or another. Actually a conceptual diagram manages all such relationships and maps those relationships between members entities. A conceptual diagram along with all the information to be stored in the database stores the definition of the data to be stored.
Definition may contain data types and data value restrictions etc. Database Management System (CS403) VU
© Copyright Virtual University of Pakistan 38. The conceptual scheme is also responsible for holding the authorization and authentication information, means that only these people can use database that we allowed to make these changes.
It is the job of the DBMS to provide control over the conceptual schema that it is authorized to check the data or make any changes to the data. A conceptual diagram as it describes the intent of the database; It isn’t
often change because make a change in the conceptual scheme database requires a lot of consideration and may involve changes to the latter database views/levels as well.
ENG501 Short Notes for Final Term and Mid Term
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