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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 IS MEANT BY E-R MODEL
triggering
(a) Provide the description of the following ODMG schema in the Object Definition Language (ODL). (b) Based on the above object database, write the following queries i
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What are the disadvantages of file-processing system? Ans: The Disadvantages of File-Processing System a. Data redundancy and inconsistency - Data redundancy means not nece
how design database from begining
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
complete assignment on the above title.
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
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