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Data Warehouse Interview Questions
Questions Answers Views Company eMail

-----------Diff b/W Aggregate Function and Rollup Aggrigate Function?

IBM,

1 16392

----------0Diff b/w Report Functions and Database functions?

IBM,

1 4159

----------------------What are the User Securities?

IBM,

1854

---------------Tell me about DWH Concepts?

Bank Of America,

2150

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

Bank Of America,

3207

---------- Purpose of Factless Facttable?

Bank Of America,

2 7981

----------------What is meant by DSS?

Bank Of America,

1 6530

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

Bank Of America,

4 7603

-------What are the Adv of Star Schema and Snow Flake Schema?

Bank Of America,

4 13687

-----------Types of Fact Tables?

Bank Of America, CTS,

6 22062

---------------Can we use more than 1 Fact table ?

Bank Of America,

2 6996

-------------What is a Conformed Dimension?

Bank Of America,

3 8053

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

Bank Of America,

2105

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

Bank Of America,

2043

---------------What is Dimension?

Bank Of America,

2 6242


Un-Answered Questions { Data Warehouse }

Suggest a good author for hyperion in data warehousing?

971


Briefly explain your complete project(sales) flow, (ie. from source received from client, transformations, then despatch to end user) what are all the process. Kindly give step by step process.

2280


any difficulitis have you phase while creating bo reports and how did u solve it

3452


3. The vice president of sales has requested a graphical display of the same information provided in our last crosstab report (whatever I mentioned in above question) for an up coming presentation. We need to provide a chart report that shows which regions generate the most revenue and sales volume.

2623


What do you mean by inmon?

1074


How can we delete duplicate rows from flat files?

1223


What is the purpose of using case expression in teradata?

1017


Differences between where and if statement?

1092


What do you mean by mstr?

1098


How to implement complex jobs in data stage?

1112


Can we create multiple integration service on single repository?

1188


Explain is there any other repository domains rather than universe, security, document?

1095


How to a create header dynamically in a crosstab report in cognos 8.1?

2441


What system options would you use to help debug a macro? : sas-macro

1097


Input A 100 NUll A NUll 200 B 100 Null B Null 300 Output A 100 200 B 100 300 Do this using Ab initio

1750