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Data Warehouse Cartoons
Data Warehouse vs Data Lake #2: The gatekeeper
2023-01-12
Piotr Kononow
Any data can enter into Data Lake. No dress code. It can be out of shape in any state. It doesn't have to keep any standards. It can be dirty. No one cares.
Data warehouses, on the other hand, are very selective about who (what) can enter, in what shape. All visitors need to fit into rigorous standards. The open hours are also scheduled precisely. It's an exclusive club.
Data Warehouse vs Data Lake #1: The wardrobe
2023-01-05
Data Warehouse requires you to have your data in particular order.
No rules for Data Lakes.
Black or blue trail?
2022-12-01
Unless you're an expert, it's really much easier to do reporting from the data warehouse rather than ERP database directly.