查询表结构和索引信息 Sql Server

以下两段语句分别是获取表的基本结构和获取表对应的索引信息，直接复制到查询分析器中就可以使用，在每个的最下面有一个输入表名的地方，若不输入则代表查询全部的表。 
--1.表结构信息查询 表结构信息查询


SELECT 
     TableName=CASE WHEN C.column_id=1 THEN O.name ELSE N'' END,
     TableDesc=ISNULL(CASE WHEN C.column_id=1 THEN PTB.[value] END,N''),
     Column_id=C.column_id,
     ColumnName=C.name,
     PrimaryKey=ISNULL(IDX.PrimaryKey,N''),
     [IDENTITY]=CASE WHEN C.is_identity=1 THEN N'√'ELSE N'' END,
     Computed=CASE WHEN C.is_computed=1 THEN N'√'ELSE N'' END,
     Type=T.name,
     Length=C.max_length,
     Precision=C.precision,
     Scale=C.scale,
     NullAble=CASE WHEN C.is_nullable=1 THEN N'√'ELSE N'' END,
     [Default]=ISNULL(D.definition,N''),
     ColumnDesc=ISNULL(PFD.[value],N''),
     IndexName=ISNULL(IDX.IndexName,N''),
     IndexSort=ISNULL(IDX.Sort,N''),
     Create_Date=O.Create_Date,
     Modify_Date=O.Modify_date
 FROM sys.columns C
     INNER JOIN sys.objects O
         ON C.[object_id]=O.[object_id]
             AND O.type='U'
             AND O.is_ms_shipped=0
     INNER JOIN sys.types T
         ON C.user_type_id=T.user_type_id
     LEFT JOIN sys.default_constraints D
         ON C.[object_id]=D.parent_object_id
             AND C.column_id=D.parent_column_id
             AND C.default_object_id=D.[object_id]
     LEFT JOIN sys.extended_properties PFD
         ON PFD.class=1 
             AND C.[object_id]=PFD.major_id 
             AND C.column_id=PFD.minor_id
 --             AND PFD.name='Caption'  -- 字段说明对应的描述名称(一个字段可以添加多个不同name的描述)
     LEFT JOIN sys.extended_properties PTB
         ON PTB.class=1 
             AND PTB.minor_id=0 
             AND C.[object_id]=PTB.major_id
 --             AND PFD.name='Caption'  -- 表说明对应的描述名称(一个表可以添加多个不同name的描述)   

 LEFT JOIN                       -- 索引及主键信息
    (
         SELECT 
             IDXC.[object_id],
             IDXC.column_id,
             Sort=CASE INDEXKEY_PROPERTY(IDXC.[object_id],IDXC.index_id,IDXC.index_column_id,'IsDescending')
                 WHEN 1 THEN 'DESC' WHEN 0 THEN 'ASC' ELSE '' END,
             PrimaryKey=CASE WHEN IDX.is_primary_key=1 THEN N'√'ELSE N'' END,
             IndexName=IDX.Name
         FROM sys.indexes IDX
         INNER JOIN sys.index_columns IDXC
             ON IDX.[object_id]=IDXC.[object_id]
                 AND IDX.index_id=IDXC.index_id
         LEFT JOIN sys.key_constraints KC
             ON IDX.[object_id]=KC.[parent_object_id]
                 AND IDX.index_id=KC.unique_index_id
         INNER JOIN  -- 对于一个列包含多个索引的情况,只显示第1个索引信息
        (
             SELECT [object_id], Column_id, index_id=MIN(index_id)
             FROM sys.index_columns
             GROUP BY [object_id], Column_id
         ) IDXCUQ
             ON IDXC.[object_id]=IDXCUQ.[object_id]
                 AND IDXC.Column_id=IDXCUQ.Column_id
                 AND IDXC.index_id=IDXCUQ.index_id
     ) IDX
         ON C.[object_id]=IDX.[object_id]
             AND C.column_id=IDX.column_id 

-- WHERE O.name=N'要查询的表'       -- 如果只查询指定表,加上此条件
ORDER BY O.name,C.column_id 

--2. 索引及主键信息


SELECT 
     TableId=O.[object_id],
     TableName=O.Name,
     IndexId=ISNULL(KC.[object_id],IDX.index_id),
     IndexName=IDX.Name,
     IndexType=ISNULL(KC.type_desc,'Index'),
     Index_Column_id=IDXC.index_column_id,
     ColumnID=C.Column_id,
     ColumnName=C.Name,
     Sort=CASE INDEXKEY_PROPERTY(IDXC.[object_id],IDXC.index_id,IDXC.index_column_id,'IsDescending')
         WHEN 1 THEN 'DESC' WHEN 0 THEN 'ASC' ELSE '' END,
     PrimaryKey=CASE WHEN IDX.is_primary_key=1 THEN N'√'ELSE N'' END,
     [UQIQUE]=CASE WHEN IDX.is_unique=1 THEN N'√'ELSE N'' END,
     Ignore_dup_key=CASE WHEN IDX.ignore_dup_key=1 THEN N'√'ELSE N'' END,
     Disabled=CASE WHEN IDX.is_disabled=1 THEN N'√'ELSE N'' END,
     Fill_factor=IDX.fill_factor,
     Padded=CASE WHEN IDX.is_padded=1 THEN N'√'ELSE N'' END
 FROM sys.indexes IDX
     INNER JOIN sys.index_columns IDXC
         ON IDX.[object_id]=IDXC.[object_id]
             AND IDX.index_id=IDXC.index_id
     LEFT JOIN sys.key_constraints KC
         ON IDX.[object_id]=KC.[parent_object_id]
             AND IDX.index_id=KC.unique_index_id
     INNER JOIN sys.objects O
         ON O.[object_id]=IDX.[object_id]
     INNER JOIN sys.columns C
         ON O.[object_id]=C.[object_id]
             AND O.type='U'
             AND O.is_ms_shipped=0
             AND IDXC.Column_id=C.Column_id
     INNER JOIN  -- 对于一个列包含多个索引的情况,只显示第1个索引信息
    (
         SELECT [object_id], Column_id, index_id=MIN(index_id)
         FROM sys.index_columns
         GROUP BY [object_id], Column_id
     ) IDXCUQ
         ON IDXC.[object_id]=IDXCUQ.[object_id]
             AND IDXC.Column_id=IDXCUQ.Column_id
--where o.object_id=object_id('表名')

SELECT a.colorder as xh, 
a.name, 
isnull(a.collation,'null') as pxzfj, 
zz=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then 'yes'else 'no' end, 
pk=case when exists(SELECT 1 FROM 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 'yes' else 'no' end, 
字段类型=b.name, 
字段长度=a.length, 
字段字符长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'), 
小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0), 
是否为NULL=case when a.isnullable=1 then 'yes'else 'no' end, 
缺省值=isnull(e.text,'') 
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' or d.xtype='V') and d.name<>'dtproperties' 
left join syscomments e 
on a.cdefault=e.id 
where d.name='t_ball' 
order by a.colorder