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Data Warehouse Interview Questions
Questions Answers Views Company eMail

hi friends ... i have insurance project(informatica),can you please tell me how many table and mappings we need to use?and explain me.. thank you

IBM,

1 9920

Hi, My source is oracle(eno,ename,sal,commision,...), my requirement is like this, if there is a null values in commission col i want to keep it as null,and for the remaining first two characters of the value in my target. Plz help me

1 3029

when informatica 8 series released ?

IBM,

1 4334

what is meant by data driven.. in which scenario we use that..?

IBM,

2 6717

My source is delimited flat file Flat file data is H|Date D1|ravi|bangalore D2|raju|pune T|4 The data will be send to target if the fallowing two conditions satisfied 1.The first row Date column is equal to SYSDATE 2.Last record second port equal to number of records. How to achieve?

1 2020

wt r before journal& after journel.....in teradata

4 9899

WHAT IS THE DIFFERENCE B/W 7.X AND 8.X ? TELL ME FEW DIFFERENCES.

2 5407

what is the use of Data Mart?

IBM,

5 8187

Tell me how many tables used in Ur project and how many fact tables and dimension tables used in ur project

iGate, Qualcomm,

2 8059

performance tuning of Informatica

1 5427

I HAVE A SOURCE FILE CONTAINING 1|A,1|B,1|C,1|D,2|A,2|B,3|A,3|B AND IN TARGET I SHOULD GET LIKE 1|A+B+C+D 2|A+B 3|A+B WHICH TRANSFORMATION I SHOULD USE

Informatica,

5 9501

My source is delimited flat file Flat file data is H|Date D1|ravi|bangalore D2|raju|pune T|4 The data will be send to target if the fallowing two conditions satisfied 1.The first row Date column is equal to SYSDATE 2.Last record second port equal to number of records. How to achieve?

Sapient,

3 6638

IN A MAPPING WHEN WE USE AGGRIGATER TRANSFORMATION WE WILL USE GROUP BY PORT. IF GROUPBY IS NOT SELECTED BY DEFAULT IT WILL TAKE ONLY THE LAST COLUMN WHY????

IBM,

3 8202

diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture

L&T,

1 2621

source is a flat file empname, empno, sal ram, 101, 1,000 sam, 102, 2,000 ques: my target needs the data to be loaded as sal -1000 and 2000 excluding commas target empname, empno, sal ram, 101, 1000 sam, 102, 2000 how to implement this?

Polaris,

5 9473


Un-Answered Questions { Data Warehouse }

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

2267


draw informatica architecture 8.6 ?

3949


What r the names of the reports that you prepared?

1032


Tell me about your experience in informatica? what is best mark you can give yourself? How to answer this question?

8288


How much data hold in one universe 336 can any one explain about core dimension, balanced dimension, and dirty dimension?

1200


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

2307


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

4019


hi frnds any body have cognos projects plz send me two(or)three projects to my mail adress ramureddy.reddy4@gmail.com.

2066


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

1119


Explain scd type 3 through mapping.

1076


how many reports have u created ? explain a few.

2162


How to create the source and target database connections in server manager?

1144


What is dimensional table?

1167


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 ?

2549


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

2107