--查詢所有用戶表所有字段的特征SELECT D.Name as TableName, A.colorder AS ColOrder, A.name AS Name,  COLUMNPROPERTY(A.ID,A.Name, 'IsIdentity') AS IsIdentity,  CASE WHEN EXISTS (SELECT 1 FROM dbo.sysobjects WHERE Xtype = 'PK' AND Name IN (SELECT Name FROM sysindexes WHERE indid IN (SELECT indid FROM sysindexkeys WHERE ID = A.ID AND colid = A.colid)))  THEN 1 ELSE 0 END AS 主鍵,  B.name AS 類型, A.length AS [長度], A.xprec AS [精度], A.xscale AS [小數(shù)], CASE WHEN A.isnullable = 1 THEN 1 ELSE 0 END AS [可為空], ISNULL(E.text, ' ') AS [默認(rèn)值],  ISNULL(G.[value], ' ') AS [說明]FROM dbo.syscolumns A LEFT OUTER JOIN dbo.systypes B ON A.xtype = B.xusertype INNER JOIN dbo.sysobjects D ON A.id = D.id AND D.xtype = 'U' AND  D.name <> 'dtproperties' LEFT OUTER JOIN dbo.syscomments E ON A.cdefault = E.id  LEFT OUTER JOIN dbo.sysproperties G ON A.id = G.id AND A.colid = G.smallid--WHERE D.Name='tablename' --如果找指定表,把注釋去掉ORDER BY 1, 2

--查詢所有用戶表所有字段的特征SELECT  (case when a.colorder=1 then d.name else '' end) as 表名,--如果表名相同就返回空     a.colorder as 字段序號,     a.name as 字段名,     (case when COLUMNPROPERTY( a.id,a.name, 'IsIdentity' )=1 then '√' else '' end) as 標(biāo)識,     (case when (SELECT count(*) FROM sysobjects--查詢主鍵             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) as 主鍵,--查詢主鍵END  b.name as 類型,  a.length as 占用字節(jié)數(shù),  COLUMNPROPERTY(a.id,a.name,'PRECISION' ) as  長度,  isnull(COLUMNPROPERTY(a.id,a.name,'Scale' ),0) as 小數(shù)位數(shù),  (case when a.isnullable=1 then '√' else '' end) as 允許空,  isnull(e.text,'' ) as 默認(rèn)值,  isnull(g.[value],'' ) AS 字段說明  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.minor_id     --where d.name='PE_U_ValliMessage' --所要查詢的表  order by a.id,a.colorder

SELECT(case when a.colorder=1 then d.name else '' end) N'表名',a.colorder N'字段序號',a.name N'字段名',isnull(g.[value],'') AS N'字段說明',(case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else ''end) N'標(biāo)識',(case when (SELECT count(*)FROM sysobjectsWHERE (name in(SELECT nameFROM sysindexesWHERE (id = a.id) AND (indid in(SELECT indidFROM sysindexkeysWHERE (id = a.id) AND (colid in(SELECT colidFROM syscolumnsWHERE (id = a.id) AND (name = a.name))))))) AND(xtype = 'PK'))>0 then '√' else '' end) N'主鍵',b.name N'類型',a.length N'占用字節(jié)數(shù)',COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'長度',isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小數(shù)位數(shù)',(case when a.isnullable=1 then '√'else '' end) N'允許空',isnull(e.text,'') N'默認(rèn)值'FROM syscolumns aleft join systypes bon a.xtype=b.xusertypeinner join sysobjects don a.id=d.id and d.xtype='U' and d.name<>'dtproperties'left join syscomments eon a.cdefault=e.idleft join sys.extended_properties gon a.id=g.major_id AND a.colid = g.minor_id--where條件輸入表名where d.name='ConsumeBillBody'order by object_name(a.id),a.colorder