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Securing the Data Prep Area

Tim Mitchell explains why you should limit access to your staging area:

First things first, let’s define what a data prep area is. Data preparation (prep) is a common phase of extract, transform, and load (ETL) operations in which data is temporarily written for cleansing, deduplication, reshaping, or other data modifications. Also sometimes referred to as a landing area or a staging area, this is a common design pattern when moving data from a data store optimized for online transaction processing (OLTP) to a data model more friendly to analytics or reporting.

The data prep area really is a lot like a restaurant kitchen: it’s sometimes chaotic, it’s not consumer friendly, and there is a legitimate risk of consuming half-prepared goods.

Tim lays out why that is, so check it out.