DATA WAREHOUING UNIT I
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1 BHARATHIDASAN ENGINEERING COLLEGE NATTRAMAPALLI DEPARTMENT OF COMPUTER SCIENCE SUB CODE & NAME: IT6702/DWDM DEPT: IT Staff Name : N.RAMESH DATA WAREHOUING UNIT I 1. Define data warehouse? NOV/DEC 2009 APRIL/MAY What is bit map indexing? NOV/DEC Define OLTP? 4. Define OLAP? 5. What is data mart? NOV/DEC 2007/2011 MAY/JUNE Define data model? APRIL/MAY Write short notes on multidimensional data model? NOV/DEC Define data cube? MAY/JUNE 2007/ What are facts? 10. What are dimensions? 11. Define dimension table? 12. What are the advantage dimensional modelling? MAY/JUNE What are lattice of cuboids? NOV/DEC What is apex cuboid? NOV/DEC List out the components of star schema? MAY/JUNE What is snowflake schema? MAY/JUNE List out the components of fact constellation schema? 18. Write down Application of DW. APRIL/MAY What is meta data? MAY/JUNE List the two ways the parallel execution? MAY/JUNE List out characteristics of DW MAY/JUNE How is DW different from DB? MAY/JUNE 2012/ What is data discretization? APRIL/MAY 2017 PART-B 1. Describe in detail about access tools types? 2. Describe the overall architecture of data warehouse? NOV/DEC 2011 MAY/JUNE 2007/2010/ Demonstrate in detail about Data marts 4. Demonstrate data warehouse administration and management? MAY/JUNE Explain the functional blocks needed to build a data warehouse? MAY/JUNE 2013
2 6. Describe in detail about Mapping the Data warehouse to a Multi-processor architecture? NOV/DEC 2011 APRIL/MAY Analyse the information needed to support DBMS schema For Decision support MAY/JUNE Describe in detail about data extraction? APRIL/MAY Describe in detail about transformation tools? APRIL/MAY How would you explain Metadata implementation with examples? MAY/JUNE 2007/ Describe in detail about i) Bitmapped indexing ii) STARjoin and index MAY/JUNE 2006 BUSINESS ANALYSIS UNIT II 1. List the distinct features of OLAP with OLTP? APRIL/MAY What is multidimensional data model? APRIL/MAY What is roll-up operation? 4. What is drill-down operation? 5. What is slice operation? NOV/DEC What is dice operation? 7. What is pivot operation? 8. List out the views in the design of a data warehouse? NOV/DEC 2009/ What is reporting tool? MAY/JUNE give examples for managed query tools? NOV/DEC List out the steps of the data warehouse design process? NOV/DEC Define ROLAP? 13. Define MOLAP? 14. Define HOLAP? 15. What are the types of concept hierarchies? NOV/DEC What is outlier analysis? MAY/JUNE What are dependent and independent data marts? 18. What is virtual warehouse? 19. Define indexing? 20. Define metadata? MAY/JUNE What is time series analysis? MAY/JUNE List the primitives that specify DM task? MAY/JUNE Define OLAP? MAY/JUNE 2014 PART-B 1. How would you explain in detail about reporting query? 2. Explain in detail about application of reporting query? NOV/DEC Compare in detail about tool categories in query tools MAY/JUNE Discuss in detail about the OLAP tools MAY/JUNE 2014
3 5. Examine the approaches used in i) Multidimensional ii) Multirelational OLAP NOV/DEC Discuss in detail about the OLAP guidelines 7. Describe in detail about the applications of business analytics? NOV/DEC Examine in detail about various categories of OLAP tools? i) MOLAP NOV/DEC ii) ROLAP NOV/DEC iii) HOLAP NOV/DEC Compose in detail about Cognous impromotu NOV/DEC Explain in detail about application in the internet? 11. Explain with diagrammatic MQE? MAY/JUNE Draw the star schema for the DB? MAY/JUNE 2012 DATA MINING UNIT III 1. Define Datamining? NOV/DEC List the five primitives for DM task? APRIL/MAY What is KDD? 4. What are the steps involved in KDD process? 5. What is the use of the knowledgebase? 6. What is the purpose of Data mining Technique? NOV/DEC Define Predictive model? MAY/JUNE Define descriptive model? MAY/JUNE Define bayes theorem? NOV/DEC List out the advanced database systems? 11. Define cluster analysis? 12. List out the DM functionalities. MAY/JUNE Define support and confidence. MAY/JUNE What is correlation analysis? MAY/JUNE What is meant by pattern? NOV/DEC How is a data warehouse different from a database? 17. What is legacy database? MAY/JUNE 2014
4 18. What is the use of pruning MAY/JUNE Define support and confidence in Association rule mining. MAY/JUNE How are association rules mined from large databases? 21. Describe the different classifications of Association rule mining? MAY/JUNE 2012 PART-B 1. Demonstrate in detail about data mining steps in the process of knowledge discovery? APRIL/MAY List the application area of data mining? APRIL/MAY Explain in detail about data mining functionalities? APRIL/MAY What approach would you designed to mine interestingness of patterns? NOV/DEC Distinguish various data mining task primitives? MAY/JUNE 2016/ Explain in detail about the classification of data mining systems? MAY/JUNE Demonstrate in detail about integration of data mining system with a data warehouse? NOV/DEC Illustrate the integration of data mining with warehouse with an example? MAY/JUNE Describe in detail about data pre-processing? MAY/JUNE 2016 i) Data cleaning MAY.JUNE 2014 ii) Data Transformation iii) Data reduction 10. Describe in detail about the issues of data mining MAY/JUNE Describe in detail about the applications of data mining? 12. Describe in detail about reduction in data preprocessing? APRIL/MAY Discuss in detail about various data transformation techniques NOV/DEC Discuss in detail about and discretization techniques? NOV/DEC 2015 ASSOCIATION RULE MINING AND CLASSIFICATION UNIT IV 1. What is the purpose of Apriori Algorithm? MAY/JUNE What is lazy learner? APRIL/MAY How to generate association rules from frequent item sets? MAY/JUNE Give few techniques to improve the efficiency of Apriori algorithm? N/D 2015
5 5. What are the things suffering the performance of Apriori candidate generation technique? MAY/JUNE Describe the method of generating frequent item sets without candidate generation? MAY/JUNE Mention few approaches to mining Multilevel Association Rules? 8. What are multidimensional association rules? MAY/JUNE Define constraint-based Association Mining? MAY/JUNE Define the rule based classification? NOV/DEC What is Decision tree? MAY/JUNE What is Attribute Selection Measure? MAY/JUNE Describe Tree pruning methods. 14. Define Pre Pruning MAY/JUNE Define Post Pruning. MAY/JUNE What is meant by Pattern? MAY/JUNE Define the concept of prediction. MAY/JUNE What is the use of Regression? 19. How do you evaluate accuracy of a classifier. APRIL/MAY State bayes theorem? MAY/JUNE 2016 PART-B 1. Explain in detail about association and correlations? APRIL/MAY Summarize in detail about various kinds of association rules? APRIL/MAY What approach would you use to describe decision tree induction? MAY/JUNE What are the features of Bayesian classification explain in detail? MAY/JUNE Analyze the function of support vector machine NOV/DEC Describe in detail about frequent pattern classification? MAY/JUNE Examine in detail about Lazy learners with examples? MAY/JUNE Describe in detail about frequent pattern classification? MAY/JUNE Demonstrate in detail about Back propagation MAY/JUNE Examine in detail about Lazy learners with examples? 11. Explain about apriori algorithm? NOV/DEC 2009 MAY/JUNE Explain Various attribution selection measures? MAY/JUNE 2014 CLUSTERING AND APPLICATIONS AND TRENDS IN DATA MINING UNIT V 1. Define Clustering? MAY/JUNE 2012
6 2. What do you mean by Cluster Analysis? MAY/JUNE What are the fields in which clustering techniques are used? MAY/JUNE What is hierarchical clustering? MAY/JUNE What are the different types of data used for cluster analysis? MAY/JUNE What are interval scaled variables? NOV/DEC Define Binary variables? And what are the two types of binary variables? 8. Define nominal, ordinal and ratio scaled variables? 9. What do you mean by partitioning method? APRIL/MAY Define CLARA and CLARANS? MAY/JUNE What is Hierarchical method? NOV/DEC Differentiate Agglomerative and Divisive Hierarchical Clustering? 13. What is CURE? MAY/JUNE Define STING? MAY/JUNE Define Density based method? 16. What is a DBSCAN? NOV/DEC What do you mean by Grid Based Method? 18. Define Wave Cluster? MAY/JUNE What is Model based method? 20. What is the use of Regression? 21. List some application of DM? APRIL/MAY What are the two approaches used by regression to perform classification? 23. Define outlier? MAY/JUNE 2010 PART-B 1. Explain different types cluster analysis? APRIL/MAY Describe in detail about categorization of major clustering methods? MAY/JUNE Describe in detail about the features of K-means portioning method? NOV/DEC Explain in detail about hierarchical based method? APRIL/MAY Explain in detail about density based methods? MAY/JUNE What is grid based method? NOV/DEC Demonstrate in detail about model based clustering methods MAY/JUNE Describe in detail about clustering high dimensional data? MAY/JUNE How would you discuss the outlier analysis? MAY/JUNE Will you explain in detail about data mining applications? MAY/JUNE Write the difference between CLARANS and CLARA MAY/JUNE 2014
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