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日期转字符串-日期
select CONVERT(varchar(100), GETDATE(), 23) from RegionRealtimeData
日期转字符串-全
select CONVERT(varchar(100), GETDATE(), 20) from RegionRealtimeData
(to_char(to_date(fdate,‘yyyy-mm-dd‘),‘yyyy-mm-dd‘))
字符串转日期-日期
select CONVERT(varchar(100), cast(‘2015-1-1‘ as datetime), 23) from RegionRealtimeData
字符串转日期-全
select cast(‘2015-1-1‘ as datetime) from RegionRealtimeData
过滤条件-月
DATEPART(month,cast(a.fdate as datetime))=11
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原文地址:http://www.cnblogs.com/tiandi/p/4426361.html