SQL表结构

--sql server 2005
-- 1. 表结构信息查询 
-- ========================================================================
-- 表结构信息查询
-- 邹建 2005.08(引用请保留此信息)
-- ========================================================================
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'UC_Admin'       -- 如果只查询指定表,加上此条件
   O.name=(
             case when len(@name)>0
            then @name
            else
                O.name
                end
         )
ORDER BY O.name,C.column_id 

SELECT  TableName = CASE WHEN a.colorder=1 THEN d.name
                  ELSE d.name
             END
        ,TableDesc = CASE WHEN a.colorder=1 THEN ISNULL(f.value,'')
                            ELSE  ISNULL(f.value,'')
                       END
         ,Column_id = a.colorder
         ,ColumnName = a.name
         ,IDENTITY = CASE WHEN COLUMNPROPERTY(a.id,a.name,'IsIdentity')=1 
                   THEN '√'
                  ELSE '×'
             END
         ,PrimarKey = 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 '√'
                  ELSE '×'
             END
         ,TypeName = b.name
         ,ByteLength = a.length
         ,Length = COLUMNPROPERTY(a.id,a.name,'PRECISION')
         ,Scale = ISNULL(COLUMNPROPERTY(a.id,a.name,'Scale'),0)
         ,NullAble = CASE WHEN a.isnullable=1 THEN '√'
                   ELSE '×'
              END
          ,[Default] = ISNULL(e.text,'')
          ,ColumnDesc = ISNULL(g.[value],'')
FROM    syscolumns a
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 sys.extended_properties g
        ON a.id=g.major_id
           AND a.colid=g.minor_id
LEFT   JOIN sys.extended_properties f
        ON d.id=f.major_id
           AND f.minor_id=0 --
           where   --d.name='UC_Admin'         --如果只查询指定表,加上此条件
             d.name=(
             case when len(@name)>0
            then @name
            else
                d.name
                end
         )
ORDER   BY a.id,a.colorder;

视图

select 
TableName= O.name 
,TableDesc=O.name
,Column_id=c.column_id
,ColumnName=c.name
,PrimaryKey=0
,[IDENTITY]=0
,Computed=0
,TypeName=T.name
,[Length]=C.max_length
,[Precision]=c.precision
,Scale=c.scale
,NullAble=0
,[Default]=''
,ColumnDesc=c.name
,IndexName=''
,IndexSort=''
,Create_Date=O.Create_Date
,Modify_Date=O.Modify_date
 from sys.columns c
left join sys.types T  ON C.user_type_id=T.user_type_id
left JOIN sys.objects O ON C.[object_id]=O.[object_id] AND O.type='V'

 WHERE --O.name='View_Staff_Score_Log' and      -- 如果只查询指定表,加上此条件
  O.name=(
             case when len(@name)>0
            then @name
            else
                O.name
                end
         )