Online Analytical Processing (OLAP) MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

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1. : What is OLAP (Online Analytical Processing)?



2. : Which of the following is a characteristic of OLAP systems?



3. : What does OLAP cube represent in OLAP systems?



4. : Which type of OLAP cube structure stores precomputed aggregations at multiple levels of granularity?



5. : In OLAP terminology, what does “drill-down” refer to?



6. : Which OLAP operation involves rotating the cube to view it from different perspectives?



7. : What is the purpose of the “slice” operation in OLAP?



8. : Which OLAP architecture stores data in a relational database management system (RDBMS)?



9. : What is the benefit of using a HOLAP (Hybrid OLAP) approach?



10. : Which OLAP operation involves selecting data based on multiple criteria across multiple dimensions?



11. : How does OLAP support decision-making processes in organizations?



12. : What role does the OLAP server play in OLAP systems?



13. : Which OLAP architecture is known for its ability to handle large volumes of data and complex queries efficiently?



14. : What does the term “OLAP cube” refer to?



15. : How does OLAP differ from OLTP (Online Transaction Processing)?



 

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