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

SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-28
dita:mapPath
SQL_Functions__Expressions__and_Predicates.Upload_071421/djk1612415574830.ditamap
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SQL_Functions__Expressions__and_Predicates.Upload_071421/wrg1590696035526.ditaval
dita:id
B035-1145
lifecycle
previous
Product Category
Teradata Vantageā„¢

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;