From the DWHPro archive
Teradata Physical Storage: Exploring Data Blocks and Storage Demographics
What a Teradata data block holds, explained with a housing analogy, and why the layout decides how much I/O a scan costs.
Also worth reading: Teradata Physical Design and Data Modelling
— Roland
Written by Roland Wenzlofsky — 25 years on enterprise data platforms, author of Teradata Query Performance Tuning.
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