ETL Interview Questions
Questions Answers Views Company eMail

What are the three tiers in etl?

764

What are dimensions?

780

What are the steps involved in etl process?

698

What is initial load and what is full load?

673

Explain different types of partitioning?

764

List few etl bugs?

698

What are three tier systems in etl?

793

What are your responsibilities as an etl tester?

798

What is grain of fact?

695

What are the types of data warehouse applications and what is the difference between data mining and data warehousing?

706

What do you understand by the term ‘transformation’?

708

Explain the key challenges that you face while performing etl testing.

743

Mention few test cases and explain them?

700

Explain etl mapping sheets?

824

What is tracing level and what are the types?

689


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Un-Answered Questions { ETL }

how many maximum session supports to multiload in teradata ??

1871


what are Lookup caches options? Including persistent caches.

1633


What is initial load and what is full load?

673


what is pmrep command?

11092


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

2295






what is data modeling?

2049


What is meant by incremental load?

758


What is a mapping?

752


What are the differences between sql override and update override?

741


Explain about the data integration suite features?

648


can cubes contain measures ?

1799


what is pmrep command?

2095


In informatica, I have 10 records in my source system. I need to load 2 records to target for each run. How do I do this?

703


What is the difference between Data Warehousing and Data Mining?

740


What do you understand by active and passive transformations?

697