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Which database level is closest to the users? External database level is closest to the users.
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
What is called a query -execution engine? The query implementation engine takes a query evaluation plan, implements that plan, and returns the answers to the query.
Question: (a) What are decision support systems, and what role do they play in the business environment? (b) Data mining is a knowledge discovery process of automated extr
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
I need to Map an E-R diagram to a relational schema
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
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