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Alternate Title: Teradata 101. For anyone new to Teradata, this session is to acquaint you with the Teradata technology.

Hello All,
 
The way I see Teradata is...Node contains multiple PE & AMPs. PE handles the user sessions in addition to other activities and AMPs service the data movement amongst other role. Considering a production system having say, 50 Nodes...I seek clarification on the following 02 topics:
 

For anyone new to Teradata, this session is to acquaint you with the Teradata technology.

Hi Folks
This may sound a bit 101 -  but really I am still looking for a detailed explanation about this stuff vide some formal documentation.
In  PMON you see various values for AMP state and PE state.
AMP State _______ ( dispatching / active etc ) 
same goes for PE 
PE State _________