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Data Warehouse Interview Questions
Questions Answers Views Company eMail

how we do performence tuning in informatica

3 7946

Is it possible to create a user defined Calendar in BOXIR2? If yes, then how? Ex:- I want to create a Calendar where the year starts with the month of Feb-1. Each month is of 28 days. 1st Month as 1-feb to 28-feb. 2nd Month as 29 Feb - 21 Mar. Please help me out to get the answer....

1 4875

please tell me architecture of the cognos8?

IBM, TCS,

4 9993

Is it possible to create a new calendar using BO? Ex:- Wants to create a calendar where the year starts with the 1feb - 25Feb. Next month from 26Feb - 14Mar.

1 4551

I need to develop cross tab in format: Values D E F A 1 3 4 B 2 5 8 C 9 8 10 My problem is values in header I am able to do same in WEBI how to manipulate same in deski? Plz Help

1 4278

Hi is any one having link to download books on datawarehouse tool kit by ralph kimball or any other authors books.

5 6902

Hi Gus, Can u pls tell me How can u Call the Shell Scripting/Unix Commands in Job Sequence?

IBM,

3 12814

Hi This is Vijay How Can u Read the data from sequential file Parall'y?

Semantic Space,

5 13926

Can we add our own component in Xcelcius ,I am having a Indian client and I want to either create or import component (map) is it possible?? Currently I have imported Map image and working through icons is there any other way out??Please help.

1 4462

Can I create a master report in webi having 15 dimensions and 150 kpi's with 100GB of data and store it in cache ,So that I can use Cache for building new reports with less dimensions and Kpi's without hitting database againg just using cache??Please suggest...

2124

Hi This is Vijay, How can your remove the duplicates in sequential File?

HCL, Scope International,

15 31008

Hi I have scenario like this s/r table T/r table ename,sal empno,ename,sal vijay,2000 1 , vijay, 2000 kumar,3000 2 ,kumar , 3000 ravi ,4000 3 ,ravi , 4000 How can i get target table like that without using Transformer stage?

Semantic Space,

8 13528

What is the difference between set functions and filter function in dimensional data?

2913

Hi I have list of products in a dataset, which are classified by other name for eg:- there is a product A> Malambo Shiraz Malbec 750ML(0388) which is a Red wine.Now i need to generate a report where it shows if this product appears then it should b displayed as red wine,similarly for other products and other classification. I dont wan use proc format.

Symphony,

4 6952

What is the use of 'individual data source' option while using filter in query studio?

Thomson Reuters,

1 5662


Un-Answered Questions { Data Warehouse }

What are the special input delimiters used in SAS?

1183


Explain what is a three tier data warehouse?

975


Name at least 5 different types of transformations used in mapping design and state the use of each.?

1160


If the source has duplicate records as id and name columns, values: 1 a, 1 b, 1 c, 2 a, 2 b, the target should be loaded as 1 a+b+c or 1 a||b||c, what transformations should be used for this?

10170


How to load the data from a flat file into the target where the source flat file name changes daily?

1062


What is etl process. How many steps etl contains explain with example?

959


How can we do data cleaning?

1060


define junk dimension?

5


How many types of views are there in a datastage director?

1288


What are system variables and sequencers in datastage

1115


Is there any rownum object from which we can do this?

945


Informatica Server and Client are in different machines. You run a session from the server manager by specifying the source and target databases. It displays an error. You are confident that everything is correct. Then why it is displaying the error?

2026


What is a functional dependency f said to be minimal?

1063


Does anybody have the sample of delivery document of cognos, or provide some link of websites Thanks

2023


define sparse cube?

5