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1.Why we need data mining? Give an example to illustrate your answer.
2. Why data mining is considered as "misleading name"?
3. Distinguish the difference between database and data warehouse? Give 4 differences at least.
4. Discus the major difference between relational database and object oriented database?
5. Text databases may be highly unstructured, semi structured and well structured. Give an example for each.
6. How can data mining affect our privacy? Give examples to illustrate your answer.
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
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.
Database systems have many opposite efforts ?
what is un ordered and ordered file managment?
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
#A multinational tour operator agency has gained new business growth in the North American market through the use of social media. Its operation has expanded by 50% within six mont
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
A student entity type has the following attributes,name..
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
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