What Is ETL Testing?

by Nataliia Vasylyna | December 14, 2016 7:34 am

ELT is an abbreviation for Extraction, Transformation, and Loading of data. ETL testing is closely connected with data warehousing but still they have their own specific features. Nowadays, databases are widely used and their operating should be error-free.

This software testing[1] type is intended to check whether the logic of data extraction and transformation is proper. Besides that, ETL testing shows whether the loaded data meet the requirements.

The point is that there is a huge amount of data on various data sources and only the required data should be extracted from the resource and transformed according to the business logic and data definition of the target database. After that, the data should be loaded into the cohesive database.

What Are the Peculiarities of ETL Testing?

It is difficult to say that software testing company[3] performs ETL testing rather often. It is a pretty new field of testing.

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Endnotes:
  1. software testing: http://qatestlab.com/services/We-Are-Professionals-in/software-product-testing/
  2. performance tests: http://qatestlab.com/services/Withstand-the-Load/performance-testing/
  3. software testing company: http://qatestlab.com/company/about-us/
  4. RDBM Testing Tools: http://blog.qatestlab.com/2017/01/13/rdbm-testing-tools/
  5. What Is Database Sandbox?: http://blog.qatestlab.com/2017/01/11/database-sandbox-notion/
  6. Emphasis on Software Testing Activities: http://blog.qatestlab.com/2012/03/21/the-main-emphasis-of-software-testing-activities/
  7. Weaknesses of Mobile Streaming Applications: http://blog.qatestlab.com/2018/12/20/mobile-streaming-applications/
  8. How Deliver Effective Apps for Logistics?: http://blog.qatestlab.com/2018/10/29/applications-for-logistics/

Source URL: https://blog.qatestlab.com/2016/12/14/extraction-transformation-loading/