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Data Warehouse question?
1. ExplainendtoendprocessfromrequirementgatheringtoloadingdataintoDWH..and then
visualization
2. Three Types of Data Models
3. ODS
4. SCD – types
5. Schema– types starsnowflake ..DimensionsandFacts… e.g.
6. Indexes..clusteredandnonclustered
7. What isan ETL
8. PrimaryKey& Secondarykey, unique key..whywe use GUID
9. OLTP & OLAP
10. SSIS,SSRS,SSAS –MSBI stack
11. ER Diagram – Relationships
12. What are nonadditive facts
13. In Data Warehousing, What is a Cube
14. What is a Real time DWH
15. How doyou do data cleansing
16. What isNormalization
17. ACIDpropertiesof a DB
18. Most Common Errors You Can Potentially Face in Data Modeling
19. Paginatedreports
20. Difference btwDashboardsand Reports
21. architectural components of Qlik Sense
22. few data sources to which Qlik Sense can connect
23. Explain single and multi-node deploying in qliksense
24.

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Data Warehouse question.docx

  • 1. Data Warehouse question? 1. ExplainendtoendprocessfromrequirementgatheringtoloadingdataintoDWH..and then visualization 2. Three Types of Data Models 3. ODS 4. SCD – types 5. Schema– types starsnowflake ..DimensionsandFacts… e.g. 6. Indexes..clusteredandnonclustered 7. What isan ETL 8. PrimaryKey& Secondarykey, unique key..whywe use GUID 9. OLTP & OLAP 10. SSIS,SSRS,SSAS –MSBI stack 11. ER Diagram – Relationships 12. What are nonadditive facts 13. In Data Warehousing, What is a Cube 14. What is a Real time DWH 15. How doyou do data cleansing 16. What isNormalization 17. ACIDpropertiesof a DB 18. Most Common Errors You Can Potentially Face in Data Modeling 19. Paginatedreports 20. Difference btwDashboardsand Reports 21. architectural components of Qlik Sense 22. few data sources to which Qlik Sense can connect 23. Explain single and multi-node deploying in qliksense 24.