Example: Querying the Number of Rows on Each Primary AMP - Teradata VantageCloud Lake

Lake - Working with SQL

Deployment
VantageCloud
Edition
Lake
Product
Teradata VantageCloud Lake
Release Number
Published
February 2025
ft:locale
en-US
ft:lastEdition
2025-11-21
dita:mapPath
jbe1714339405530.ditamap
dita:ditavalPath
pny1626732985837.ditaval
dita:id
jbe1714339405530

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;