Test your basic knowledge |

Data Warehousing

Subject : it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A report created by an IT department user






2. Requesting information about related facts






3. A logical design technique that presents data in a way that is optimised for high-performance access






4. A visual display of the most important information needed by a particular user






5. An operational system that provides data for a business information system






6. A daily snapshot for each day of a set period






7. Third stage of building a data mart






8. Extract - Transform and Load






9. Fourth stage of the data warehouse data architecture design process






10. Second stage of the data warehouse data architecture design process






11. First stage of building a data mart






12. Fifth stage of building a data mart






13. Draws data from a data warehouse






14. Import data into a new database






15. A tool that allows users to write queries without having to learn SQL






16. The business applications






17. A schema where dimensions are only connected to facts






18. Look-up tables referred to by fact tables






19. A group of related fact tables






20. Fourth stage of building a data mart






21. All database architectural fall into one of these two categories: EDW or _________ (independent data marts - data mart bus architecture - hub and spoke architecture - centralized data warehouse - federated data warehouse)






22. Allows multiple CPUs to process multiple queries simultaneously - providing scalability.






23. Dimensions which are shared by two or more facts






24. Business applications - methods and tools that support the caputre and use of master data






25. Draws data from operational or external systems






26. Take data from a source system






27. Requesting more information about a particular fact






28. Extract - Load and Transform






29. An alternative term for a data warehouse






30. Used to support day-to-day operations






31. Make changes to data so that it is compatible with a new database






32. A schema where dimensions may be connected to facts or to other dimensions






33. A summary record for a specific reporting period






34. A group of conformed dimensions






35. simplest and least costly architecture developed to operate independently of each other - poor solution






36. First stage of the data warehouse data architecture design process






37. Splitting data tables into smaller tables for efficient access.






38. These extend BI into automating and optimising processes






39. A table containing foreign keys and values






40. Most famous data warehouse where a maintable infastructure includes a centralized data warehouse that serves for the needs of all organizational units (most favored 39 percent)






41. Data accessible to the whole data warehouse






42. Second stage of building a data mart






43. A system that allows people to access and analyse data for business management and performance improvement






44. Online Analytical Processing






45. A computer system used to support the day-to-day operations of an organisation






46. The operational systems - data warehouse and data marts






47. A single low-level fact representing a single business operation






48. Unlike independent data marts the marts are linked via middleware






49. A simplified form of a data warehouse supporting the work of a single line of business






50. Third stage of the data warehouse data architecture design process