mssql sqlserver text、image字段类型无法使用DISTINCT的处理方法分享

create table [maomao365.com](info text)
insert into [maomao365.com] values(‘sqlserver‘)
insert into [maomao365.com] values(‘maomao365‘) 
insert into [maomao365.com] values(‘SQL‘) 
insert into [maomao365.com] values(N‘数据库‘)
go

select distinct info from 
[maomao365.com]
go
---distinct 转换数据
select distinct convert(varchar(max),info)
from [maomao365.com]
go
drop table [maomao365.com]

mssql sqlserver text、image字段类型无法使用DISTINCT的处理方法分享

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