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Beranda / Subjek Wawancara / ETL Testing
WithoutBook LIVE Mock Interviews ETL Testing Related interview subjects: 13

Interview Questions and Answers

Know the top ETL Testing interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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Know the top ETL Testing interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Interview Questions and Answers

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Freshers / Beginner level questions & answers

Ques 1

What is ETL testing?

ETL (Extract, Transform, Load) testing is a process of verifying the correctness of data transformation and loading from source to target databases.

Example:

An example of ETL testing is validating that data from a CSV file is accurately transformed and loaded into a data warehouse.
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Ques 2

What is a staging area in ETL?

A staging area in ETL is an intermediate storage area where data is temporarily held during the extraction and transformation processes before being loaded into the target data warehouse.

Example:

Data extracted from source systems is first loaded into the staging area, where it undergoes transformations before being moved to the final data warehouse.
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