ETL Interview Questions
Questions Answers Views Company eMail

When you have 2 servers in two different time zone and if you need to extract data from 1 server and load it in another server, how do you go about it? Best method to be used.

3 7323

what is the main role of FI on business


what are variable ports and list two situations when they can be used?


4 10442

what are the parts of Informatica server ?


1 3491

how does the server recongnise the source and target databases.Elaborate on this



list the transformation used for the following:Heterogeneous sources,Homogeneous sources,Find the 5 highest paid employees with in a dept,create a summery table,generate surrogate keys

2 3936

what is different between sequential batch and concurrent batch and which is recommended and why?


what is the use of server?


what is the use of server manager?


A session S_MAP1 is in Repository A. while running the session error message has displayed `server hot-ws270 is connect to Repository B`.what does it mean?


how do u implement scheduling in Informatica?


1 4559

what is the meaning of upgradation of Repository?



what is the indicator file and where it is used?

1 2476

1)Power center server and client on the same machine 2)power center server and client on the different machines What is the basic difference in these two setups and which is recommended ?


Informatica server and client are in different machines. You run the session from the server manager by specifying the source and target databases. It displays error . You are confident that everything is correct. Then why it is displaying the error?


Post New ETL Questions

Un-Answered Questions { ETL }

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.


Define Dynamic push down optmization?


what is Forward,Reverse and Re_engineering?


how would u estimate the size of Lookup transform data and index cache?


what is granularity in Data ware House?


how to load the data to fact table?


Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.


how do u really know that paging to disk is happening while u are using a lookup transform?


when will use SQL override in a lookup transformation?


what are the data sources extracted from logistics cockpit in sap bw project and what is the requirement for it ?


how do u extract data from different data sources explain with an example?


how would u estimate the size of Aggregator transform data and index cache?


flat filevalidation in informatica


How can you use an Oracle sequences in Informatica ? You have an Informatica sequence generator transformation also. which one is better to use?


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