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Data Warehouse Interview Questions
Questions Answers Views Company eMail

you are a universe designer and report developer in BO, what type of information you gather from client?Briefly explain plz

iFlex,

3 10809

can anyone help me ? an index has been done on the primary key of a table. an update operation was performed on that table. now my question is 1> what abt the performance ? means faster or slower due to indexing ? 2> does the operation affect to the primary key constraint ? normally database take to refresh time 2 hours. but client asked iwant to refresh with in 5 min that same database. do you have any option in BO and Oracle? explain me briefly...kavi

iFlex,

2 5660

Difference between ODS and Staging

HeadStrong, TCS,

4 40824

i have f;latfile source. i have two targets t1,t2. i want to load the odd no.of records into t1 and even no.of recordds into t2. what is the procedure and whar t/r's are involved and what is the mapping flow

Wipro,

4 12417

how DTM buffer size and buffer block size are related

Wipro,

3 31593

how much memory (size) occupied by a session at runtime

Wipro,

4 13789

i have flatfile source. i want to load the maximum salary of each deptno into target. what isthe mapping flow

Wipro,

3 11765

how can we improve performance of the reports?

6 11056

What is the Computation error? how to solv it?

1 12792

Ranking feature was not available in WEBI 6.5 version,So how can we get ranking in WEBI 6.5 version?

2 6745

what is picture format? give any one example?

Parexel,

3 11555

what is the main difference between rename and label? (don't say that they both perform the same function).

Parexel,

11 25382

how to display duplicated observations in a data using base sas.

HCL, TCS,

13 31604

what is TAB delimiter? explain about it? what will you do to get TAB delimiter?

Cap Gemini,

3 14699

wat has been most common programming mistake?

3 6791


Un-Answered Questions { Data Warehouse }

What is a rollup component? Explain about it.

1242


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


1)s.key generate 1 to 700 records today. tomorrow another 400 will updated how to update the records using s.key generator? 2)source is like :-- DB --> T/F stage1 --> seq1file T/f 1 is linking with T/F2 ---> seq 2 how to load the data? in source i given some conditions those r going in seq1. The another data will going to seq2 how to do this ?

2084


what are the dimensions that you have in your current project?list them?

2093


Hi I need real time senarios and how to explain project in the interview pls let me know my email id m.n.prathyusha@gmail.com.Please help me out with this pls pls pls muthireddi@gmail.com

2207


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

1232


i'm searching on cognos..i want to know real time scenarios..persons having real time exp or undertaking trainings or who searching on cognos...can send me the details...for proper guidence..for project and interview preparation..pls help me out..my mail-id is ammu2india@gmail.com..hope u will respond as soon as possible..thanks..

2766


Explain scd type 3 through mapping.

1071


Are you involved in writing the inferential analysis plan? Tables specifications?

4019


what is document design in boxi,have u participate in that

2305


Explain how to generate iqd file from framework manager?

1020


what are the names of the reports that you prepared?

1193


How do you load first and last records into target table? How many ways are there to do it? Explain through mapping flows.

1200


can anybody send me some real time screenshots of mapping in informatica powercenter. i will be vary thankful to him. my e-mail id :- prakashkumar.kumhar@gmail.com

4796


Hi Friends, Please send me Teradata Materials for certifications Thanks in advance !!

2262