QUALIFY Clause Examples | SQL SELECT Statements | Teradata Vantage - 17.05 - Example: Using the RANK Function in a QUALIFY Clause - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Manipulation Language

Advanced SQL Engine
Teradata Database
Release Number
Release Date
January 2021
Content Type
Programming Reference
Publication ID
English (United States)

The following statement displays each item in a sales table, its total sales, and its rank within the top 100 selling items:

     SELECT itemid, sumprice, RANK() OVER (ORDER BY sumprice DESC)
     FROM (SELECT a1.item_id, SUM(a1.sale)
           FROM sales AS a1
           GROUP BY a1.itemID) AS t1 (item_id, sumprice)
     QUALIFY RANK() OVER (ORDER BY sum_price DESC) <=100;