查询各（某）表字段的属性代码,MSSQL代码库,德仔网

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【MSSQL】查询各（某）表字段的属性
作者:dezai / 发布于2014/2/8/ 585
-------------------作用：查询出各（某）表字段的属性 -------------------

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--sql server 2000
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 '&radic;'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 '&radic;' else '' end,
 类型 = b.name,
 占用字节数 = a.length,
 长度 = COLUMNPROPERTY(a.id,a.name,'PRECISION'),
 小数位数 = isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
 允许空 = case when a.isnullable=1 then '&radic;'else '' end,
 默认值 = isnull(e.text,''),
 字段说明 = 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
 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

-----------------------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------------------
--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'&radic;'ELSE N'' END,
 Computed=CASE WHEN C.is_computed=1 THEN N'&radic;'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'&radic;'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'&radic;'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
-- ========================================================================
-- 索引及主键信息
-- 邹建 2005.08(引用请保留此信息)
-- ========================================================================
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'&radic;'ELSE N'' END,
 [UQIQUE]=CASE WHEN IDX.is_unique=1 THEN N'&radic;'ELSE N'' END,
 Ignore_dup_key=CASE WHEN IDX.ignore_dup_key=1 THEN N'&radic;'ELSE N'' END,
 Disabled=CASE WHEN IDX.is_disabled=1 THEN N'&radic;'ELSE N'' END,
 Fill_factor=IDX.fill_factor,
 Padded=CASE WHEN IDX.is_padded=1 THEN N'&radic;'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
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