• In order to update the master table and slowly CHANGING dimensions (SCD) type 1, it is necessary to use the dynamic cache.
• In the case of flat files, a static cache is used.

With ABUNDANT job opportunities and lucrative salary options, ETL testing has become a popular trend. ETL Testing has an extensive market share and is one of the cornerstones of data warehousing and business analytics. To make this process more organized and simpler, many software vendors have introduced ETL testing tools. Most employers who seek ETL testers look for candidates with specific technical skills and experience that meet their needs. No worries, this platform is a great resource for both beginners and professionals. In this article, we have covered 35+ ETL testing interview questions ranging from freshers to EXPERIENCED level questions typically asked during interviews. Preparation is key before you go for your job interview. 

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