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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
What is known as sequential file organization? In the sequential file organization, the records are kept in sequential order, according to the value of a "search key" of every
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what characterizes the levels in RAID technology
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
What is Relational DBMS This is our subject of study. A DBMS is relational if the data is organized into relations, that is, tables. In RDBMS, all data are kept in the well-kno
E-R model uses this symbol to represent weak entity set ? A Doubly outlined rectangle symbol is used to represent weak entity set.
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
What is Relational Algebra? Relational algebra is a Procedural query Language?
Express the following queries in SQL: (a) Write the SQL code that will create ALL the four tables given in the appendix. Your answer should not contain the primary key and
During the deletion of a tuple two cases can happen: Deletion of tuple in relation having the foreign key: In this type of case simply delete the desired tuple. For example, in
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