Example: Which AMPs Contain the Rows of a Table - Teradata Vantage - Analytics Database

SQL Functions, Expressions, and Predicates

Deployment
VantageCloud
VantageCore
Edition
VMware
Enterprise
IntelliFlex
Product
Analytics Database
Teradata Vantage
Release Number
17.20
Published
June 2022
ft:locale
en-US
ft:lastEdition
2025-03-30
dita:mapPath
obm1628111499646.ditamap
dita:ditavalPath
qkf1628213546010.ditaval
dita:id
kby1472250656485
lifecycle
latest
Product Category
Teradata Vantageā„¢

The following query shows which AMPs contain the rows of a table.

sel col1, hashamp(hashbucket(hashrow(col1)) 
          map = map1count3 colocate using u1_tabm1c3) 
          (named "which amp?") 
from u1.tabm1c3 order by 1;

Result:

       col1   which amp?
-----------  -----------
          0            3
          1            2
          2            3
          3            2
          4            2
          5            2
          6            3
          7            2
          8            3
          9            1