generate row data for row sql code example

Example 1: ms sql row_number over partition

USE AdventureWorks2012;  
GO  
SELECT FirstName, LastName, TerritoryName, ROUND(SalesYTD,2,1) AS SalesYTD,  
ROW_NUMBER() OVER(PARTITION BY TerritoryName ORDER BY SalesYTD DESC) 
  AS Row  
FROM Sales.vSalesPerson  
WHERE TerritoryName IS NOT NULL AND SalesYTD <> 0  
ORDER BY TerritoryName;

Example 2: mysql row generator

SELECT  @curRow := @curRow + 1 AS row_number
FROM    sometable 
JOIN    (SELECT @curRow := 0) r
WHERE   @curRow<100;