create function [dbo].[fn_Split]
 (
 @SourceSql nvarchar(max),--源分隔字符串
 @StrSeprate varchar(10)--分隔符
 )
 returns @temp table(a nvarchar(max))
 as
begin
     declare @i int
     set @SourceSql=rtrim(ltrim(@SourceSql))
     set @i=charindex(@StrSeprate,@SourceSql)
     while @i>=1
     begin
         insert @temp values(left(@SourceSql,@i-1))
         set @SourceSql=substring(@SourceSql,@i+1,len(@SourceSql)-@i)
         set @i=charindex(@StrSeprate,@SourceSql)
     end
     if @SourceSql<>‘\‘
        insert @temp values(@SourceSql)
     return
end
go

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sql分割字符串