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ETL Interview Questions & Answers

Below we have listed all the ETL Interview Questions and answers. Feel free to comment on any ETL Interview Questions or answer by the comment feature available on the page.

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How can we use mapping variables in Informatica? Where do we use them? View Answer

What is the difference between Power Center & Power Mart? View Answer

Is there any way to read the MS Excel Data's directly into Informatica?Like IS there any Possibilities to take excel file as target? View Answer

Can we override a native sql query within Informatica? Where do we do it? How do we do it? View Answer

Can Informatica load heterogeneous targets from heterogeneous sources? View Answer

What are the different versions of Informatica? View Answer

Can we lookup a table from source qualifier transformation. ie. unconnected lookup View Answer

What is ODS (operation data source) View Answer

How do we call shell scripts from informatica? View Answer

What is Full load & Incremental or Refresh load? View Answer

What are the various methods of getting incremental records or delta records from the source systems? View Answer

What is partitioning? What are the types of partitioning? View Answer

What is the difference between etl tool and olap tools View Answer

What are snapshots? What are materialized views & where do we use them? What is a materialized view lo View Answer

What is Full load & Incremental or Refresh load? View Answer

What is a staging area? Do we need it? What is the purpose of a staging area? View Answer

What is latest version of Power Center / Power Mart? View Answer

What is ETL process ?How many steps ETL contains explain with example? View Answer

How do we extract SAP data Using Informatica? What is ABAP? What are IDOCS? View Answer

How to determine what records to extract? View Answer

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