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Data Warehouse Interview Questions
Questions Answers Views Company eMail

can we use detail in generation of reports? if customer id is a dimension in a report, what will happen if we define it as a detail?

3 7103

Whatis the difference between View and Materialized View ?

Satyam, Syntel,

11 56970

wHAI IS THE DIFFERENCE BETWEEN LIST REPORT AND CROSSTAB REPORT?

7 32179

Hello, I have PROC SQLs results group by 3 fields and I use SUM and COUNT functions in SQL. The problem is when I try to display my result with PROC TABULATE. I am getting very big numbers. I believe I make a mistake some where in Tabulate. Here is my Proc Tabulate. PROC TABULATE DATA=OUT04_05 FORMAT=12.; CLASS YR CENTRE VISA / PRELOADFMT EXCLUSIVE; VAR NEWUSER FRAUD TRANSFER AUTUSER REISSUE; TABLE CENTRE ALL, (YR ALL)*VISA, (NEWUSER*F=COMMA12. AUTUSER*F=COMMA12. FRAUD*F=COMMA12. TRANSFER*F=COMMA12. REISSUE*F=COMMA12.) / MISSTEXT={LABEL='0'} PRINTMISS RTS=20; FORMAT VISA VISAFMT.; KEYLABEL SUM = ' ' ALL = 'TOTAL'; LABEL YR = 'DATE YEAR' NEWUSER = 'TOTAL NEW ACCT' TRANSFER = 'TOTAL TRANSFER' FRAUD = 'TOTAL FRAUD TRANSFER' AUTUSER = 'TOTAL AUTH USERS' REISSUE = 'TOTAL REISSUE'; When I code it like : NEWUSER*N*F=COMMA12. AUTUSER*N*F=COMMA12. I get same amount numbers but to find a NEWUSER I use COUNT(*) and to find AUTUSER I use SUM(xxxx) function so both result shouldn’t be the same my problem is in this point. Could you tell me where the problem in code is. How can I display my result? TX.

1 2366

What is slowely changing dimensions?why we are used SCD?

2 7355

What is difference between drill through and drill down?

IBM,

5 18689

Without using any transformations how u can load the data into target?

IBM,

15 25308

what is casual dimension?

IBM,

6 19400

WHAT IS THE DIFF BETWEEN BO6.5 AND BOXI

TCS,

5 13697

how we can call macros with in data step?

Allianz, ManPower,

17 27908

What is the use of Surrogate key in BO?

IBM,

8 18645

What is the use of Surrogate Key in BO?

CTS, IBM,

2 9799

What is casual dimension?

4 17187

What is a diff between joiner and lookup transformation

CTS, Satyam, TCS, UHG,

16 96630

How to create Derived Tables in BO 6.5.4 with columns from different tables in the universe and how it has to be joined in the universe? If any one gives us a PPT format I will be more thankful.

Cognizant, WinAlliance,

1 8903


Un-Answered Questions { Data Warehouse }

What is aggregate table and aggregate fact table ... Any examples of both?

1118


Connecting to iserver volume using idapi classes(java classes) and after connecting to iserver I want to execute the rox on iserver and also want know the status whether that job is succesfully run or not?

1100


If I wanted to run a TPump job only once per day - basically working on a file that is produced once per day - how would you set up the parameters for that sort of job ?

2546


Just Completed the informatica Certification ,for Dumps please email me on infamaddy@gmail.com i will send it to you 

1769


does anyone "QlikView" BI tool. if you have any docs send me pls. yaparas84@gmail.com

6075


What is dimensional table? Explain the different dimensions.

1267


Explain about a time when you discovered a more efficient way to do a work task?

1222


Hi, If anyone has base SAS certification dumps, please share.

1937


1)what is the size of Fact table and dimension table? 2)how to find the size of Fact table and dimension table? 3)how to implement the surrogate key in transform stage? 4)write the configuration file path? 5)how many types of datasets explain? 6)diff b/w developed projects and migration projects? 7)how to delete the header and footer file of the sequencer file? 8)how can u call the parameters in DS in unix environment? 9) how much data ur getting daily ? 10)

2792


what are the data modeling tools you have used?(polaris)

2057


Source has 2 columns: USA,NewYork INDIA,MUMBAI INDIA,DELHI UDS,CHICAGO INDIA,PUNE i want data in target like below: INDIA,MUMBAI1 INDIA,DELHI2 INDIA,PUNE3 USA,NEWYORK1 USA,CHICAGO2

846


EXL informatica Questions

1460


How do you remove duplicate records in informatica? And how many ways are there to do it?

1232


HI, Anybody is having informatica Dumps,if it there Can u send to my mail id :sathesh.cool@gmail.com

2104


I have two different source structure tables, but I want to load into single target table? How do I go about it? Explain in detail through mapping flow.

1239