我試圖讓每個客戶端的總持續時間爲hh:mm。 這是我的查詢: SELECT
CONVERT(VARCHAR(10),
SUM(DATEDIFF(Minute, startdate,EndDate)/60)
OVER (PARTITION BY clientId ORDER BY clientId))
+ '.'
+ RIGHT('00
對於SSRS報表,我根據用戶輸入通過使用Case來進行查詢,返回3個不同年份的收入。 DECLARE @Year as int
Set @Year = 2018
DECLARE @Period as int
Set @Period = 1
SELECT Account
, Customer
, CustomerDescription
, Article
, ArticleDesc