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在SQL Server 2005中查询表结构及索引

 2007-11-11 13:03:19 来源:WEB开发网   
核心提示:在 sql server(WINDOWS平台上强大的数据库平台) 2005 中查询表结构及索引 -- 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 E

在 sql server(WINDOWS平台上强大的数据库平台) 2005 中查询表结构及索引
-- 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,
   Prima(最完善的虚拟主机管理系统)ryKey=ISNULL(IDX.Prima(最完善的虚拟主机管理系统)ryKey,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,
       Prima(最完善的虚拟主机管理系统)ryKey=CASE WHEN IDX.is_Prima(最完善的虚拟主机管理系统)ry_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
-- ======================================================
-- 索引及主键信息
-- 邹建 2005.08
-- www.cncms.com
-- ======================================================
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,
   Prima(最完善的虚拟主机管理系统)ryKey=CASE WHEN IDX.is_Prima(最完善的虚拟主机管理系统)ry_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
--   

Tags:SQL Server 查询表

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