获取sqlserver指定数据库指定表的基本信息

来源：爱站旅游

/*==============================================================================
*
* Filename: GetTableInfor.sql
* Description: 获取指定数据库指定表的字段以及字段长度，字段说明等相关数据信息，便于后期
开发代码生成器做准备。tbname可以换成自己需要查询的表名称即可
* Version: 1.0
* Created: 2012.08.02
* Author: liangjw
* E-mail : liangjw0504@163.com
* Q Q : 592568532
* Profile Url：http://90ideas.net/
* Company: Copyright (C) Create Family Wealth Power By Peter
*
==============================================================================*/
* 备注信息：上传部分自己总结的常用方法的封装，有不足和不完美之处，希望大家指出来，愿意一起
* 主要研究erp,cms,crm,b2b,oa等系统和网站的开发，欢迎有共同追求和学的IT人员一起学习和交流。
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/*==============================================================================
*
* Filename: GetTableInfor.sql
* Description: 获取指定数据库指定表的字段以及字段长度，字段说明等相关数据信息，便于后期
 开发代码生成器做准备。tbname可以换成自己需要查询的表名称 即可
* Version: 1.0
* Created: 2012.08.02
* Author: Your name
* Company: Copyright (C) Create Family Wealth Power By Peter
*
==============================================================================*/
SELECT
 colorder = C.column_id ,
 ColumnName = C.name ,
 TypeName = T.name ,
 Length = CASE WHEN T.name = 'nchar' THEN C.max_length / 2
 WHEN T.name = 'nvarchar' THEN C.max_length / 2
 ELSE C.max_length
 END ,
 Preci = C.precision ,
 Scale = C.scale ,
 IsIdentity = CASE WHEN C.is_identity = 1 THEN N'1'
 ELSE N''
 END ,
 isPK = ISNULL(IDX.PrimaryKey, N'') ,
 Computed = CASE WHEN C.is_computed = 1 THEN N'1'
 ELSE N''
 END ,
 IndexName = ISNULL(IDX.IndexName, N'') ,
 IndexSort = ISNULL(IDX.Sort, N'') ,
 Create_Date = O.Create_Date ,
 Modify_Date = O.Modify_date ,
 cisNull = CASE WHEN C.is_nullable = 1 THEN N'1'
 ELSE N''
 END ,
 defaultVal = ISNULL(D.definition, N'') ,
 deText = ISNULL(PFD.[value], N'')
FROM
 sys.columns C
 INNER JOIN sys.objects O ON C.[object_id] = O.[object_id]
 AND ( O.type = 'U'
 OR O.type = 'V'
 )
 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
 LEFT JOIN sys.extended_properties PTB ON PTB.class = 1
 AND PTB.minor_id = 0
 AND C.[object_id] = PTB.major_id
 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'1'
 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'tbname' --数据库中表的名称tbname可以替换成自己需要查询的表
ORDER BY
 O.name ,
 C.column_id