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Question 1 What is data mining? Write Data Mining applications
Question 2 What is OLAP? Write the benefits of OLAP
Question 3 What is Business Intelligence? Explain the components of BI architecture
Question 4 Explain Statecharts and Activity Diagrams with examples
Question 5 Explain the need for data mining in security systems
Question 6 Explain the five levels of capability maturity models
Describe log based recovery The most usably structure for recording data base modification is the LOG the log is a sequence of log records recording all the update activities i
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
What is the use of rename operation? Rename operation is used to rename both relations and an attributes. It uses the as clause, taking the form: Old-name as new-name.
Need a sample of a clinic database relationships
Consider the 1ollowin8 relation: CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., crui
example of embedded SQL query
Discuss deferred update technique of recovery. What are the advantages? Ans: The deferred update methods do not physically update the database on disk till after a transact
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
Define raid? Briefly explain it? A range of disk organization methods, collectively called redundant arrays of independent disks (RAID) o Improvement of reliability throug
One-to-many : An entity in A is related with any number of entities in B. An entity in B is related with at the most one entity in A. Example: Relationship between faculty and d
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