16.20 - Example: Querying the Number of Rows on Each Primary AMP - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1145-162K
Language
English (United States)

The following query returns the number of rows on each primary AMP where column_1 and column_2 are the primary index of table T.

   SELECT HASHAMP (HASHBUCKET (HASHROW (column_1,column_2))), COUNT (*)
   FROM T
   GROUP BY 1
   ORDER BY 1;