sql MS SQL数据聚合 - NTILE

Posted

tags:

篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了sql MS SQL数据聚合 - NTILE相关的知识，希望对你有一定的参考价值。

-- Dividing rows into 2 groups
SELECT p.FirstName, p.LastName  
    ,NTILE(2) OVER(ORDER BY SalesYTD DESC) AS Quartile  
    , a.PostalCode  
FROM Sales.SalesPerson AS s   
INNER JOIN Person.Person AS p   
    ON s.BusinessEntityID = p.BusinessEntityID  
INNER JOIN Person.Address AS a   
    ON a.AddressID = p.BusinessEntityID  
WHERE SalesYTD <> 0;  


-- Partition by Postal Code
-- And then divided into four groups within
-- each PostalCode.

SELECT p.FirstName, p.LastName  
    ,NTILE(4) OVER(PARTITION BY PostalCode
          ORDER BY SalesYTD DESC) AS Quartile  
    ,a.PostalCode  
FROM Sales.SalesPerson AS s   
INNER JOIN Person.Person AS p   
    ON s.BusinessEntityID = p.BusinessEntityID  
INNER JOIN Person.Address AS a   
    ON a.AddressID = p.BusinessEntityID  
WHERE TerritoryID IS NOT NULL   
    AND SalesYTD <> 0;

以上是关于sql MS SQL数据聚合 - NTILE的主要内容，如果未能解决你的问题，请参考以下文章