把表中某列转化为以逗号隔开的字符串

declare @column_name varchar(2000)
select @column_name = ''
select @column_name = @column_name + convert(varchar,cno ) +',' from tbcustom

select @column_name

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原文地址：https://www.cnblogs.com/qzfitsoft/p/2875529.html