Popularly asked ETL interview questions in 2025: 1. Explain what the ETL testing operations include. 2. How do you handle slowly changing dimension?
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Informatica interview questions & FAQs November 21st, 2006 What is a source qualifier? What is a surrogate key? What is difference between Mapplet and reusable transformation? What is DTM session? What is a Mapplet? What is a look up function? What is default transformation for the look up...
Solve questions and appear for technical interview. Receive job offers Get matched with the best US and Silicon Valley companies. Start working on your dream job Once you join Turing, you’ll never have to apply for another job. Apply now How to become an ETL developer? What is the scope...
Learn from Experienced professionals working as Technical Lead and Managers in MNC. Attend free Demo and decide 24*7 Support via chat, mobile and Email. Get help in Informatica Global Certification. Get Study material, Interview Questions, Software ...
Frequently Asked SSIS Interview Questions & Answers Here are some final considerations for fact table ETL A Merge Join was used in this case to help identify which records were updates or inserts, based on matching the source to the fact table. Refer to the Joining Data Topic to see other ...
10) Duplicate Data Check: Test if there is any duplicate data present in the target system. Duplicate data can lead to incorrect analytical reports. Apart from the above ETL testing methods, other testing methods like system integration testing, user acceptance testing, incremental testing, regressio...
Further Reading =>Frequently Asked Informatica Interview Questions Key Features: PowerCenter is a commercially licensed tool. It is a readily available tool and has easy training modules. It supports data analysis, application migration and data warehousing. ...