ETL involves transforming data before it is loaded into a target system, whereas ELT involves loading the data into the target system as is and then transforming it within the system. The selection between ETL and ELT is affected by a number of factors, including the number of data sources, the processing capacity of the target system, and the requirements for data transformation.
If you are interested in learning more about ETL, then check out this video tutorial by Intellipaat. By the end of this video, you'll have a solid understanding of what ETL is, how it works, and why it's important for businesses.
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