--Concat示例 ,null,'RTM') --Format实例 DECLARE @d DATETIME = GETDATE(); SELECT FORMAT( @d, 'd', 'en-US' ) AS Result SELECT FORMAT( @d, 'd', 'zh-CN' ) AS Result --Choose实例 ,'CareySon','Jack','Tony','Peter') ,'CareySon','Jack','Tony','Peter') ,'CareySon','