Topic :: OLAP





OLAP Interview Questions
Questions Answers Views Company eMail

ORA-37115: New OLAP API history is not allowed

 1 2465

ORA-37116: OLAP API table function error: (string)

 1 2295

ORA-37117: olapi history retention has been disabled

 1 2361

What is Molap and Rolap? What is Diff between Them?

 10 17413

cognos is holap or molap or rolap

Cognizant,

7 25291

cognos reportnet is molap or rolap ... somebady telling cognos reportnet is molap and other will be telling rolap ... i need extract answer

 5 7934

IS OLAP INVOLVED WHEN WE WANT TO ACCESS DATA WAREHOUSE DATA FROM OPERATIONAL ENVIRONMENT

 2123

What is the OLAP Position in the folloeing two categories wehen we access data warehouse data from operational environment 1) indirect access of datawarehouse data 2) indirect use of datawarehouse data

 2024

what are the facilities provided by OLAP to analytical users?

 1 4075

WHAT IS THE DIFFERENCE BETWEEN OLAP AND DATAWAREHOUSE? WHAT IS MICROCUBE EXACTLY?

1 6265

what is the difference btween olap and oltp?

CTS, Fujitsu,

6 15903

what is OLAP?

CitiGroup, TCS,

4 8975

--------------Diff b/w ODS and OLAP?

Bank Of America,

2762

----------------------Diff b/w MOLAP and ROLAP?

Bank Of America,

4 6138

---------------Describe OLAP Reporting and RDBMS Reporting?

Bank Of America,

1670



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Un-Answered Questions { OLAP }

I have 7500 rows. I need all rows in single reports. Which type of prompt we have used retrieving all rows and show in a report? We have dynamical queries q1, q2, q3, q4, q5. If customer selects the particular, query that only show in execution report. In case it may more then one, how do you execute the particular query item in report page? What are the difference bt OLDP and OLAP?

1682

--------------Diff b/w ODS and OLAP?

2762

---------------Describe OLAP Reporting and RDBMS Reporting?

1670

-----------Diff b/w OLAP and RDBMS?

1622

5. How many repositories can we create in Informatica? 6. What is surrogate key? 7. What is difference between Mapplet and reusable transformation? 8. What is aggregate awareness? 9. Explain reference cursor? 10. What are parallel querys and query hints? 11. DWH architecture? 12. What are cursors? 13. Advantages of de normalized data? 14. What is operational data source (ODS)? 15. What is meta data and system catalog? 16. What is factless fact schema? 17. What is confirmed dimension? 18. What is the capacity of power cube? 19. Difference between PowerPlay transformer and power play reports? 20. What is IQD file? 21. What is Cognos script editor? 22. What is difference macros and prompts? 23. What is power play plug in? 24. Which kind of index is preferred in DWH? 25. What is hash partition? 26. What is DTM session? 27. How can you define a transformation? What are different types of transformations in Informatica? 28. What is mapplet? 29. What is query panel? 30. What is a look up function? What is default transformation for the look up function? 31. What is difference between a connected look up and unconnected look up? 32. What is staging area? 33. What is data merging, data cleansing and sampling? 34. What is up date strategy and what are th options for update strategy? 35. OLAP architecture? 36. What is subject area? 37. Why do we use DSS database for OLAP tools?

2330




whats the different between MOLAP & RoLAP ?

1855

In not less than 100 words what's the main difference between Rolap and Molap in ORACLE ?

1787

what is the difference between OLAP AND OLTP UNIVERSES IN SAP BO

3441

Hi friends, I am trying to create OLAP connection in IDT. I am getting error "error code:405 METHOD NOT ALLOWED" I am using "http:/olap/msmdpump.dll" I am using ms sql server 2012 -- cube

3291

Difference between OLAP and relational connection to SAP HANA?

63

What Is The Difference Between Oltp And Olap?

682

What Are Olap And Oltp?

30

List the types of OLAP server?

35

What do OLAP and OLTP stand for?

28

What is the difference between Datawarehouse and OLAP?

535