At Wal-Mart, World’s Largest Retail Data Warehouse Gets Even Larger
October 13th, 2004It's only fitting that the largest retailer should have the world's largest database, but at more than one-half a petabyte, that's a lot of information, even for Wal-Mart.
The vendor that is supporting those many bytes of data—NCR's Teradata division—begged for the extraordinary permission from the normally secretive Wal-Mart to announce this achievement to make a point: It is arguing that its systems can scale without hiccups even at an extreme number. Read more...
Cards issued by European banks when used online cross border don't usually support AVS checks. So, when a European card is used with a billing address that's in the US, an ecom merchant wouldn't necessarily know that the shipping zip code doesn't match the billing code.
-Marc
