ROW_NUMBER Function Example | Teradata Vantage - 17.10 - Example - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - 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
dita:ditavalPath
SQL_Functions__Expressions__and_Predicates.Upload_071421/wrg1590696035526.ditaval
dita:id
kby1472250656485

To order salespersons based on sales within a sales region, the following SQL query might yield the following results.

   SELECT ROW_NUMBER() OVER (PARTITION BY sales_region 
                             ORDER BY sales_amount DESC),
   sales_person, sales_region, sales_amount
   FROM sales_table;
   
   Row_Number()  sales_person  sales_region  sales_amount
   ------------  ------------  ------------  ------------
              1  Baker         East                   100
              2  Edwards       East                    99
              3  Davis         East                    89
              4  Adams         East                    75
              1  Garabaldi     West                   100
              2  Connors       West                    99
              3  Fine          West                    99