“Choice, not chance, determines destiny.”
The rows of a Teradata table are spread across the AMPs, so each AMP can then process an equal amount of the rows when a USER queries the table.
The Teradata Architecture
The Parsing Engine (PE) takes the User's SQL, and builds a Plan for each AMP to follow to retrieve the data. Parallel Processing is all about each AMP doing an equal amount of the work. If they start at the same time and end the same ...