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Teradata for Executives by Leslie Nolander, Tom Coffing

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Chapter 2 – How Teradata Utilizes Parallel Processing

“An invasion of Armies can be resisted, but not an idea whose time has come.”– Victor Hugo

Teradata Stores Data in Tables

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Teradata stores data in tables much like an Excel spreadsheet. Each row has many columns. The difference is how Teradata processes the data. The rows are not stored together like an Excel spreadsheet. Each row is physically separated from its neighbor and sent to a particular AMP. The AMPs then store and retrieve the rows they have been assigned when the Parsing Engine orders them to do so. The Parsing Engine puts the data rows together, and the user sees their spreadsheet ...

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