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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Hi Buddies... i want to appear for cognos BI-Author certification. can anyone of you send me cognos latest dump. please help me.. cognoslalitha@gmail.com

4 5635

what is the difference between list sequel and cross tab sequel?

2 6451

my info view somehow stop working and when i try to open my info view or CMC both keep buffering in Internet explorer but unable to open please see if any one can help on it

1 2961

What is workflow variable? When we use workflow variable? Can any one explain me with one example???

TCS,

2 18371

Hi.. friends, dis Bhaskar p.if any of u having realtime scenerios.. plz send to me.. my mailid s bhaskarparitala.rao@gmail.com send ASAP.. waiting for reply..

TCS,

2232

hi this is bhaskar iam working in Tcs u want any real time faqs send me your qs i will ans that qs ok this is my id bhaskarparitala.rao@gmail.com

2141

my sourse is like id name sal--1 aa 1000 ,2 bb 2000, 3 cc 3000 4 dd 4000, 5 ee 6000 , 6 ff 7000 and so on but myrequirement is like this id name sal up_sal,1 aa 1000 null,2 bb 2000 1000, 3 cc 3000 2000 4 dd 4000 3000, 5 ee 5000 4000 , 6 ff 6000 50000 and so on so how can i get it plez reply for this as soon as possible , thanks in advanced

9 11666

my source is like this id,name sal 10 abc 1000,10 pqr 2000, 10 xyz 3000 ,10 jkl 4000 and my requirement is like this 10 abc,pqr,xyz,jkl 2000 .... i have try for this by using expression transformatin its ok of the concatenation of second column but the thing is that on third column if u group by using agg t/r the last value will com i.e 4000 but i asked by a interviewer that i dont want the first or last column i want the middle column i.e 2000 .plz reply for the same

KPIT,

2 7027

How can I display the query execution time for a particular DP on Web-I report? Or is there any other way to know the 'exact query execution' time at BO end?

1 5663

I need level 2 to 5 sas using companies in india

2397

What is meant by MATCHTAG in multiload utility?

Satyam,

2 8920

Hash collision?

Satyam,

3 10650

what is meant by Hot amp?

IBM, Satyam,

2 13812

i have a table like sales....the field are Prodid Jan(jam month sales)Feb March 1 20 76 50 2 30 94 40 3 40 90 30 4 70 20 30 5 23 40 40 6 85 30 55 7 84 20 65 8 10 93 40 9 57 30 30 10 38 83 40 11 35 39 90 12 83 89 50 Now the Question is i want get the max sales of 12 products from the months.hint:for eg I WANT GET 89 for product12... Can any one help me

Satyam,

8 11248

I want to learn Microstrategy Tool...Can you help me to find best coaching center for Microstategy..please send details to maheswari.umaece@gmail.com Thanks and Regards, Uma

4 11783


Un-Answered Questions { Data Warehouse }

Why do we use link partitioner and link collector in datastage?

1148


What are the different ways to represent the loading of dimension tables?

945


Hi experts,Recently I faced one questions in MNC,They having 4 tables in FM ..One fact table CALLING X, Remaining 3 tables are there not fact calling y,z etc...We want to join individually from X to Y..please suggest.

1388


How we drill up week to month?

1088


Compare ETL & Manual development?

965


what is hash files in sas and why we are using this one in sas?

2229


What is a Transformer?

1087


What is the difference between datastage and informatica?

1129


How to generate cubes in cognos?

986


What happens to map if we alter the datatypes between source and its corresponding source qualifier?

1072


What is embedded metric?

1005


what should be ensure to run the sequence job so that if its get aborted in 10th job before 9job should get succeeded?

1402


State the difference between an operational datastage and a data warehouse?

1143


What is the function of etl when used in data warehousing?

973


What are the issues you have faced in your project? How did you overcome those issues?

2381