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Automation Tips for ETL

Richard Swinbank shares some tips around automating ETL processes:

I spent a good part of my career in the UK National Health Service (NHS). We often talk about data engineering problems in terms of handling large volumes of data, but the challenge in the NHS was frequently complexity – even a small acute hospital might have a dozen or more separate systems, running on various different DBMS backends, with many tables of interest for management or central reporting.

You might need to extract data from hundreds of (mostly small) tables to populate your data warehouse – my challenge was to make this as quick and easy to implement as possible.

Click through for the tips.