create table #t(id int,colid int,datalen bigint) exec sp_msforeachtable @command1=N' declare @s1 nvarchar(4000),@s2 nvarchar(4000) select @s1='''',@s2='''' select @s1=@s1+'' union all select '' +rtrim(c.id)+'','' +rtrim(c.colid)+'','' +quotename(c.colid)+'' from #'', @s2=@s2+N'',''+quotename(c.colid)+''=max(''+case when t.name in(''sql_variant'',''image'',''money'') or t.name like ''%text'' or t.name like ''%binary'' then ''datalength'' else ''len'' end +''(''+quotename(c.name)+''))'' from syscolumns c,systypes t where c.xusertype=t.xusertype and object_id(''?'')=c.id order by colid select @s1=stuff(@s1,1,10,''''), @s2=stuff(@s2,1,1,'''') exec(''select ''+@s2+'' into # from ? insert #t ''+@s1)' --,@whereand=' and o.name=''要查询的表''' --如果只查询指定表,加上此条件SELECT 表名=case when a.colorder=1 then d.name else '' end, 表说明=case when a.colorder=1 then isnull(f.value,'') else '' end, 字段序号=a.colorder, 字段名=a.name, 标识=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end, 主键=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in ( SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid ))) then '√' else '' end, 类型=b.name, 占用字节数=a.length, 长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'), 已有数据的最大长度=data.datalen, 小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0), 允许空=case when a.isnullable=1 then '√'else '' end, 默认值=isnull(e.text,''), 字段说明=isnull(g.[value],'') FROM syscolumns a inner join #t data on a.id=data.id and a.colid=data.colid left join systypes b on a.xusertype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties' left join syscomments e on a.cdefault=e.id left join sysproperties g on a.id=g.id and a.colid=g.smallid left join sysproperties f on d.id=f.id and f.smallid=0 --where d.name='要查询的表' --如果只查询指定表,加上此条件 order by a.id,a.colorder drop table #t
SELECT 表名=d.name, 表说明=isnull(f.value,''), 字段序号=a.colorder, 字段名=a.name, 标识=case when a.colstat=1 then '√'else '' end, 主键=case when exists(select 1 from sysindexes y,sysindexkeys z where y.id=z.id and y.indid=z.indid and z.id=a.id and z.colid=a.colid and y.status & 2948=2048) then '√'else '' end, 类型=b.name, 占用字节数=a.length, 精度=a.prec, 小数位数=isnull(a.Scale,0), 允许空=case when a.isnullable=1 then '√'else '' end, 默认值=isnull(e.text,''), 字段说明=isnull(g.[value],'') FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties' left join syscomments e on a.cdefault=e.id left join sysproperties g on a.id=g.id and a.colid=g.smallid left join sysproperties f on a.id=f.id and f.smallid=0 where d.name='tablename' --如果只查询指定表,加上此条件 order by a.id,a.colorder
select * from syscolumns
DECLARE @tableName nvarchar(100) SET @tableName ='tab' SELECT ( CASE WHEN a.colorder=1 THEN d.name ELSE '' END)表名, a.colorder 字段序号, a.name 字段名, (CASE WHEN COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 THEN '√' ELSE '' END) 标识, (CASE WHEN ( SELECT COUNT(*) FROM sysobjects WHERE (name IN (SELECT name FROM sysindexes WHERE (id = a.id) AND (indid IN (SELECT indid FROM sysindexkeys WHERE (id = a.id) AND (colid IN (SELECT colid FROM syscolumns WHERE (id = a.id) AND (name = a.name))))))) AND (xtype = 'PK'))>0 THEN '√' ELSE '' END) 主键, b.name 类型, a.length 占用字节数, COLUMNPROPERTY(a.id,a.name,'PRECISION') AS 长度, ISNULL(COLUMNPROPERTY(a.id,a.name,'Scale'),0) AS 小数位数, (CASE WHEN a.isnullable=1 THEN '√' ELSE '' END) 允许空, ISNULL(e.text,'') 默认值, ISNULL(g.[value],'') AS 字段说明 FROM syscolumns a LEFT JOIN systypes b ON a.xtype=b.xusertype INNER JOIN sysobjects d ON a.id=d.id AND d.xtype='U' AND d.name <>'dtproperties' LEFT JOIN syscomments e ON a.cdefault=e.id LEFT JOIN sys.extended_properties g ON a.id=g.major_id AND a.colid = g.major_id WHERE d.name=@tableName ORDER BY a.id,a.colorder
exec sp_msforeachtable @command1=N'
declare @s1 nvarchar(4000),@s2 nvarchar(4000)
select @s1='''',@s2=''''
select @s1=@s1+'' union all select ''
+rtrim(c.id)+'',''
+rtrim(c.colid)+'',''
+quotename(c.colid)+'' from #'',
@s2=@s2+N'',''+quotename(c.colid)+''=max(''+case
when t.name in(''sql_variant'',''image'',''money'')
or t.name like ''%text''
or t.name like ''%binary''
then ''datalength'' else ''len'' end
+''(''+quotename(c.name)+''))''
from syscolumns c,systypes t
where c.xusertype=t.xusertype
and object_id(''?'')=c.id
order by colid
select @s1=stuff(@s1,1,10,''''),
@s2=stuff(@s2,1,1,'''')
exec(''select ''+@s2+'' into # from ? insert #t ''+@s1)'
--,@whereand=' and o.name=''要查询的表''' --如果只查询指定表,加上此条件SELECT
表名=case when a.colorder=1 then d.name else '' end,
表说明=case when a.colorder=1 then isnull(f.value,'') else '' end,
字段序号=a.colorder,
字段名=a.name,
标识=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end,
主键=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (
SELECT name FROM sysindexes WHERE indid in(
SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid
))) then '√' else '' end,
类型=b.name,
占用字节数=a.length,
长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
已有数据的最大长度=data.datalen,
小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
允许空=case when a.isnullable=1 then '√'else '' end,
默认值=isnull(e.text,''),
字段说明=isnull(g.[value],'')
FROM syscolumns a
inner join #t data on a.id=data.id and a.colid=data.colid
left join systypes b on a.xusertype=b.xusertype
inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
left join syscomments e on a.cdefault=e.id
left join sysproperties g on a.id=g.id and a.colid=g.smallid
left join sysproperties f on d.id=f.id and f.smallid=0
--where d.name='要查询的表' --如果只查询指定表,加上此条件
order by a.id,a.colorder
drop table #t
--************ 表字段大全 整理:sdhdy 日期:2004-01-01 *******************
--********************************************************************************************
SELECT
表名=d.name,
表说明=isnull(f.value,''),
字段序号=a.colorder,
字段名=a.name,
标识=case when a.colstat=1 then '√'else '' end,
主键=case when exists(select 1 from sysindexes y,sysindexkeys z where y.id=z.id and y.indid=z.indid and z.id=a.id and z.colid=a.colid and y.status & 2948=2048) then '√'else '' end,
类型=b.name,
占用字节数=a.length,
精度=a.prec,
小数位数=isnull(a.Scale,0),
允许空=case when a.isnullable=1 then '√'else '' end,
默认值=isnull(e.text,''),
字段说明=isnull(g.[value],'')
FROM syscolumns a
left join systypes b on a.xtype=b.xusertype
inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
left join syscomments e on a.cdefault=e.id
left join sysproperties g on a.id=g.id and a.colid=g.smallid
left join sysproperties f on a.id=f.id and f.smallid=0
where d.name='tablename' --如果只查询指定表,加上此条件
order by a.id,a.colorder
SET @tableName ='tab'
SELECT (
CASE WHEN a.colorder=1 THEN d.name ELSE '' END)表名,
a.colorder 字段序号, a.name 字段名,
(CASE WHEN COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 THEN '√' ELSE '' END) 标识,
(CASE WHEN ( SELECT COUNT(*) FROM sysobjects WHERE (name IN (SELECT name FROM sysindexes WHERE (id = a.id) AND (indid IN (SELECT indid FROM sysindexkeys WHERE (id = a.id) AND (colid IN (SELECT colid FROM syscolumns WHERE (id = a.id) AND (name = a.name))))))) AND (xtype = 'PK'))>0 THEN '√' ELSE '' END) 主键,
b.name 类型,
a.length 占用字节数,
COLUMNPROPERTY(a.id,a.name,'PRECISION') AS 长度,
ISNULL(COLUMNPROPERTY(a.id,a.name,'Scale'),0) AS 小数位数,
(CASE WHEN a.isnullable=1 THEN '√' ELSE '' END) 允许空,
ISNULL(e.text,'') 默认值, ISNULL(g.[value],'') AS 字段说明
FROM syscolumns a
LEFT JOIN systypes b ON a.xtype=b.xusertype
INNER JOIN sysobjects d ON a.id=d.id AND d.xtype='U' AND d.name <>'dtproperties'
LEFT JOIN syscomments e ON a.cdefault=e.id
LEFT JOIN sys.extended_properties g ON a.id=g.major_id AND a.colid = g.major_id WHERE d.name=@tableName
ORDER BY a.id,a.colorder