The Art of Abstraction in ETL: Making Sound Loading Decisions

The Art of Abstraction in ETL explores various decisions that data teams face when processing and loading data into their platforms. These decisions have implications for performance, cost, and reliability. The text discusses different aspects such as formatting the extracted data, where to load it, how often to refresh the data, and more. It also highlights the importance of metadata tracking and various strategies like full versus incremental loads, override versus append, etc. The article emphasizes that a good Extract-Load tool can provide an abstraction over these implementation decisions, allowing data teams to focus on making the best design choices for their use case.