Example: Which AMPs Contain the Rows of a Table - 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 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