row number for each id in sql code example
Example 1: create row number in sql
SELECT t.A, t.B, t.C, ROW_NUMBER() OVER (ORDER BY t.A) as newId
FROM dbo.tableZ AS t
ORDER BY t.A;
Example 2: how to use row number function in sql server
USE AdventureWorks2012;
GO
WITH OrderedOrders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS RowNumber
FROM Sales.SalesOrderHeader
)
SELECT SalesOrderID, OrderDate, RowNumber
FROM OrderedOrders
WHERE RowNumber BETWEEN 50 AND 60;