![]() ![]() A similar step during a move would be deciding what belongings you’re moving with and gathering the bits and pieces of your old home together. Of course, this may be similar or different the data will be presented in many different forms.Īt this stage, it is important to double-check that the data is high-quality and from compatible sources. This first stage involves the sourcing of data from different outlets. In the new system, the transformed data appears in another form. You would usually require a good ETL system, ETL tools, and a thorough understanding of the process and how it works. The top vendors have high speeds presented in terabytes per hour. Read right on if you wish to find out how it works, the benefits, and the difficulties! How Extract, Transform, Load WorksĮTL systems and vendors vary. We will attempt to take the process in bits to get the hang of it. We will be using the analogy of moving houses to break down the process of ETL. Unlike moving, ETL is a lot more technical and requires developers, analysts, testers, and top executives. We would most likely start with deciding what to take, packing it in boxes (transforms your load), and loading it into the truck for transportation. This three-step process is much like moving houses… In a broad sense, data is extracted (pulled) from the source, transformed into a more manageable form, and finally uploaded into the data warehouse for storage and use. Thus, they hire ETL developers for this specific job. Many businesses adopt this, especially in critical decision-making. This is viewed as data transfer from one system to another.ĮTL is used to transfer data from any source to your preferred form of data storage. You’ve probably heard of this computing term. ![]() Sometimes, a tweak of the form and location of data may be necessary. What we achieve with data depends on where it is found and in what form. Data helps us in different aspects of life, from education to business, healthcare, and everything in between. We’re surrounded by unprocessed, raw information called data. What is Extract, Transform, Load (ETL), and How Does it Work? ![]()
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