sql datetime to string yyyy-mm-dd關於「SQL CAST datetime」標籤，搜尋引擎有相關的訊息討論：
How to cast a datetime format to date as string in SQL Serverstackoverflow.com › questions › how-to-cast-a-datetime-fo...CAST and CONVERT (Transact-SQL) - SQL Server - Microsoft Learnlearn.microsoft.com › Learn › SQL › SQL ServerDate and Time Conversions Using SQL Serverwww.mss