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sql 字符串转换日期

Jun 07, 2016 pm 05:47 PM
sql string date Convert

文章主要讲mssql server 的sql 字符串转换日期函数与实例用法 了,下面我们收集了很多种关于字符串转换成日期的sql语句。

文章主要讲mssql server 的sql 字符串转换日期函数与实例用法 了,下面我们收集了很多种关于字符串转换成日期的sql语句。

update testonline set testdate=substring(testdate,1,10)
update testonline set testdate=replace(testdate,'/','-')
update testonline set testdate=replace(testdate,'-0','-')


如何将字符型'2007-01'转换成日期型'2007-01'

cast('2007-01' + '-01' as datetime)


'2007-01'不是日期型转不了。

可以转成'2007-01-01',

cast('2007-01'+'-01' as datetime)


实例三

select*from表where字段

select*from表wherecast(replace(replace(replace('2006年8月15日','年','-'),'月','-'),'日','')asdatetime)

 

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