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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 group of conformed dimensions






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






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






4. Draws data from operational or external systems






5. A database table that maps (e.g.) manufacturing product IDs to sales product IDs






6. Third stage of building a data mart






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






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






9. A summary record for a specific reporting period






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






11. These extend BI into automating and optimising processes






12. Look-up tables referred to by fact tables






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






14. 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)






15. A group of related fact tables






16. Requesting more information about a particular fact






17. The business applications






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






19. The operational systems - data warehouse and data marts






20. Extract - Load and Transform






21. Take data from a source system






22. Data accessible to the whole data warehouse






23. Online Analytical Processing






24. Requesting information about related facts






25. Second stage of building a data mart






26. Fourth stage of building a data mart






27. Used to support day-to-day operations






28. The level of detail required for a fact to be useful






29. A table containing foreign keys and values






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






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






32. A query created by a BI user






33. A report created by an IT department user






34. 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)






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






36. Fifth stage of building a data mart






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






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






39. A synonym for Business Intelligence






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






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






42. Extract - Transform and Load






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






44. Issues to consider when deciding EDW architecture: 1. Which database management system (DBMS) should be used? (ex: Crash Data" MS SQL) 2. Will ______________________ be used? 3. Will data migration tools be used to load the data warehouse?4. What too






45. A schema where dimensions are only connected to facts






46. An alternative term for a data warehouse






47. Data about the data






48. Draws data from a data warehouse






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






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






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