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Couple of the World's Largest Databases

Niheel
2,460 Expert Mod 2GB
As of lately, I've developed this natural curiousity for large databases and companies that use them.

Here are some facts about two large databases and what they do:
  • Wal-Mart
    • Size: roughly 583 terabytes of data
    • Built on 1,000 processor system by Teradata
    • 1 billion rows of data updated daily
    • Used to analyzes sales of products through out all of their stores
    • Plays a key role in the success of Wal-Mart as a retailer.
  • Ebay
    • Size: roughly 100 terabyte
    • Data is spread across several hundred database.
    • Started out with one big Oracle database, that didn't work as well so they split their database into smaller databases
Information Week article: Data, Data Everywhere

What guidelines do you follow when developing large complex database driven applicatons?
Jan 20 '06 #1
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