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SQL将datetime转化为字符串并截取字符串

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2016-06-07 17:29:231618browse

select sr_child as

select sr_child as '孩子姓名', sr_parents as '家长姓名' ,ss_updatetime as '分配时间', left(ss_updatetime,CHARINDEX(' ',ss_updatetime)-1),SUBSTRING(CONVERT(CHAR(19), ss_updatetime, 120),1,10)as '转换格式并截取后的时间'from dbo.tb_sell_resources,dbo.tb_sell_selldetails where sr_id = ss_rsid and ss_qdstate 1 order by ss_updatetime

 

 

sql 中字符串截取函数: SUBSTRING(name,start,end)

name: 字符串格式的 字段名

start: 规定开始位置(起始值是 1)

end:截取字符串结束的位置

 

sql 中Datetime格式转换为字符串格式: 2000-01-01 01:01:01(Datetime) CONVERT(CHAR(19), CURRENT_TIMESTAMP, 120)

CURRENT_TIMESTAMP: 当前时间(此处可以写Datetime格式的字段名,,例如ss_updatetime)

其余的参数(CHAR(19), 120等)不用修改

使用之后 2000-01-01 01:01:01(Datetime)变为 2000-01-01 01:01:01(字符串格式)

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