ETL Interview Questions
Questions Answers Views Company eMail

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

1783

what is the use of structures?how many nodes can u create in a structure?

1758

Can we create Hierarchies in generic datasources?

CTS,

1930

How can we handle Rejection Logic in Source tables while we are matching the data in Target side in ETL Testing ?

2 4652

tell me few points when u become TL

Infosys,

2027

what make u disappointmnets in u r career

Infosys,

1784

Hi Guys, my requirement is to load 1 yr data from oracle to teradata database through abinitio etl graph.i need to schedule this as a monthly job.but i want to load 12 month data for the first time and from second time it should load last (recent) month data and delete 13th month data. For example For the first time it should load 201208 to 201108 data, second time it should delete 201108 month data and load 201209 month data. I developed garph to load 12 month data ,but i don't know how to handle above requirement as am new to abinitio. i greatly appreciate you help.Thank You.

1722

Hi, Lookup() is what kind of join ?

Satyam,

6 10302

what is the difference between cubes and package in cognos

Cognizant,

4530

my name is amar i want display 1st line A 2nd line M 3rd line A 4th line R in database & informatica

HCL,

1 3613

How we can see table structure?

iGate,

2 5693

What exact we can see in table?

1 3184

how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)

Thomson,

2243

Can we parametrize the values of IN statement. Ex. Inside parameter file: Parameter='A','B','C' Inside Code: IN (INPUT_CHARACTER, $$Parameter)

Cognizant, IBM,

2 5037

explain about your project architecture in ssis..could u please send to my mail..vinod.kjvk@gmail.com

Tech Mahindra,

3622


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Un-Answered Questions { ETL }

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

1554


what is session partitioning?

1567


Explain etl mapping sheets?

665


What is etl process?

540


Which transformation we use to convert 'NA' to 'Not Available'

858






What is a materialized view log?

554


What is the difference between project backlog and product backlog?

1030


what is the difference between cubes and package in cognos

4530


What are dimensions?

579


Explain what is etl process? How many steps etl contains explain with example?

509


What are the different Lookup methods used in Informatica?

520


What is virtual Data Warehousing?

554


what is dynamic insert?

1715


What is partitioning? Explain about round-robin, hash partitioning.

555


A mapping contains source table S_Time(stat_year,end_year) target table TIM_DIM(date,day,month,year,quarter) stored procedure transformation: A procedure has two parameters I_end_year and output parameter as O_date ,day , month, year, quarter, If this session is running, how many rows will be available in the target and why?

1456