Which retail chain holds the Guinness World Record for the 'Largest Retail Data Warehouse' that revolutionized customer analytics in the industry?

The retail world has its own share of impressive world records that showcase innovation, scale, and customer engagement. From the largest retail chains to the most innovative retail technologies, these records demonstrate how businesses push boundaries to create memorable shopping experiences. Test your knowledge about these remarkable retail achievements that have made it into the Guinness World Records!

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Walmart (with its 2.5 petabyte data warehouse)
Amazon (with its 1.8 petabyte analytics platform)
Alibaba (with its 3.1 petabyte cloud retail system)
Target (with its 2.1 petabyte customer insight database)