sql server 时间初始化(int,string 转DateTime)
select CAST(CAST(2022 AS VARCHAR) + '-' + CAST(1 AS VARCHAR) + '-' + CAST(1 AS VARCHAR) AS DATETIME)
select CAST(CAST(2022 AS VARCHAR) + '-' + CAST(1 AS VARCHAR) + '-' + CAST(1 AS VARCHAR) AS DATETIME)
