Most of the world's largest databases still hum along on Unix, but Linux and Windows can hang in the big leagues. Just look at Amazon.com Inc., which has one Linux-based data warehouse that's more than 24 terabytes in size and another with more than 18 terabytes.
Those are among the tidbits delivered by Winter Corp., a consulting firm specializing in large databases that every other year produces one of the IT industry's best gee-whiz lists.
The largest commercial database (Yahoo Inc.) exceeds 100 terabytes, triple the largest commercial data warehouse in 2003. The hardest-working database processes more than 1 billion SQL statements per hour. Beyond business, the biggest database Winter found: a 222.8-terabyte monster at the Max Planck Institute for Meteorology.
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