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The L of ETL — Load
Easiest and most beginner-friendly introduction to Load in ETL
Imagine you have bought a new wardrobe, a huge one that can fit your clothes, cosmetics, and accessories and has space for decor. Your first step could be to bring in all the things from your existing wardrobes that you want to arrange in one place (Extract). You can also clean, filter, and remove old stuff before you arrange them in the wardrobe(Transform). Finally, you will arrange them, stack the items in the right cabinets, and LOAD all the necessary items in the wardrobe.
Likewise, in ETL, the last step of the ETL process is the LOAD step, where data is collected from disparate sources, undergoes transformation, and is stored in a database, data warehouse, or data mart.
The LOAD step of ETL refers to the physical process of loading the transformed data into the target system.
What is Loading in ETL?
Loading is the last and equally important step in the ETL process, as it sets the stage for more magic. The data that gets loaded into the target system is further used for analysis, used for insights, used for arriving at…
