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  • sql实现查询某个字段在哪个表里 及结构是什么

    declare @dbname2 varchar(100) --数据库名
    declare @str varchar(2000)
    set @dbname2='aab'
    
    select @str = ' SELECT 
    表名=d.name,字段名=a.name,序号=a.column_id, 
    标识=is_identity , 
    主键=case when exists(SELECT 1 FROM '+@dbname2+ '.sys.sysobjects where xtype= ''PK '' and name in ( 
    SELECT name FROM '+' sysindexes WHERE indid in( 
    SELECT indid FROM '+ ' sysindexkeys WHERE id = a.object_id AND column_id=a.column_id 
    ))) then 1 else 0 end, 
    类型=b.name, 占用字节数=a.max_length,长度=a.precision,小数位数=a.scale, 允许空=a.is_nullable, 
    默认值=isnull(e.text, ''''),字段说明= '''' 
    FROM '+@dbname2+ '.sys.columns a 
    left join '+@dbname2+ '.sys.systypes b on a.system_type_id=b.xusertype 
    inner join '+@dbname2+ '.sys.sysobjects d on a.object_id=d.id and d.xtype= ''U '' and d.name <> ''dtproperties '' 
    left join '+' syscomments e on a.default_object_id=e.id 
    left join '+ ' sysprotects g on a.object_id=g.id and a.column_id=g.ID 
    where a.name like ''%inv%''
    order by a.object_id,a.column_id '
    
    
    exec(@str)
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  • 原文地址:https://www.cnblogs.com/SoftWareIe/p/6797014.html
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