ETL Interview Questions
Questions Answers Views Company eMail

What are the new features of informatica 9 version?

2 7884

What is Relational Integrity?

1 3478

working of line item dimension......pls,tell overall flow

1 3617

If you concatenate data from a normalizer transformation,the ports you concatenate cannot include OCCURS(T/F).

1 11395

How to Check the source record count from traget table.

IBM,

5 12254

how to load the data to fact table?

2155

Can anyone explain me a scenario from banking and finance...more precisely a mapping

IBM,

2065

How to load Session Statistics (Workflow name, TgtRows, Rejected Rows, SessStartTime,SessEndTime..)into a database table ?? Another Question: I want to pass values from oracle table or Flat file in Mapping parameter/Variable.. What is the method for that..Please provide me the solution step by step

1 7095

give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.

HCL,

1927

1. if lookup tr is giving poor performamence. what u do. 2. i have emp,dept table. i want output ename,empno,dname,max(sal). 3. can any one tell me project flow in real time scenario. please send me mail any queries and answers my mail id is yaparala@gmail.com

HCL, iGate,

2 5762

What is the main difference between peek stage and copy stage

2 17645

Hi please try to reply with answer. my mail id is raghu.1028@gmail.com. if the source is having millions of records, but having theree target tables. As per user the first record need to insert into first target and second record in to a second target and third into third target, similarly the process needs to repeat?

5 6982

Knowledge on what are the improtant characteristice that we need ot consider while developing an ETL Code

1558

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,

2098

indatastage 8.1 surrgoate key generates seqences numbers write but there is limite value i want to reset the seqence after gettting some highest value like i want o/p like this 1 2 3 4 5 .............10000 1 2 3.........10000

TCS,

1 4257


Post New ETL Questions

Un-Answered Questions { ETL }

what are the session parameters? How do u set them?

1516


What is lookup table in etl testing?

737


What are three tier systems in etl?

625


What is the difference between Data Warehousing and Data Mining?

551


Give the benefits of data integration suite?

500






Hi my name is kuldeep singh, i have finished my B.E in computer science and engg in 2008. I have worked with accenture for 17 months and because of family problem i left the job in dec 2009.. i was in data ware housing capability. right now i am working in a BPO as technicla support executive,, i want to move to IT again, please suggest me what shuld i do? its been 1 year gap and i am not able to get into IT...please suggest me ...should i go for informatica certification will that help me to get inot IT. please give ur suggestion..my E mail is is singh.kuldeep2004@yahoo.in

1816


what are the concerns of OLTP and DSS systems?

1974


Compare etl & elt?

558


what make u disappointmnets in u r career

1784


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

2098


how do u set partition points in the mapping?

2102


What are the three tiers in etl?

595


what do u do when DB time takes more?in sap bi

1783


Explain different types of partitioning?

623


where are the log files generally stored.Can you change the path of the file.what can the path be?

1934