SqlServer查询表名的备注（查询表名描述 MS_Description）

最新推荐文章于 2025-06-13 12:30:00 发布

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最新推荐文章于 2025-06-13 12:30:00 发布

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文章标签：数据库

本文详细介绍如何使用SQL查询表的描述、更新表的描述、查询表的外键以及如何全面查询表的所有字段及其备注说明，提供了丰富的SQL语句示例。

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查询表名描述 MS_Description

         SELECT 
         tbs.
         name 
         表名,ds.value 描述       
        

         FROM 
         sys.extended_properties ds  
        

         LEFT 
         JOIN 
         sysobjects tbs 
         ON 
         ds.major_id=tbs.id  
        

         WHERE  
         ds.minor_id=0 
         and 
        

         tbs.
         name
         =
         'ScheduleRecords'
         ;
         --表名
        

添加表的描述

1	`EXECUTE` `sp_addextendedproperty N` `'MS_Description'` `, N` `'菜单表'` `, N` `'user'` `, N` `'dbo'` `, N` `'table'` `, N` `'Menus'` `,` `NULL` `,` `NULL` `;`

更新表的描述

1	`EXECUTE` `sp_updateextendedproperty N` `'MS_Description'` `, N` `'菜单表'` `, N` `'user'` `, N` `'dbo'` `, N` `'table'` `, N` `'Menus'` `,` `NULL` `,` `NULL` `;`

查询表的外键

         SELECT 
         tbs.
         name 
         表名,ds.value 描述      
        

         FROM 
         sys.extended_properties ds  
        

         LEFT 
         JOIN 
         sysobjects tbs 
         ON 
         ds.major_id=tbs.id  
        

         WHERE  
         ds.minor_id=0 
         and  
        

         tbs.
         name
         =
         'ScheduleRecords'
         ;
         --表名
        

         WHERE 
         OBJECT_NAME(sysobjects.parent_obj)=
         'Table Name'
        

SQL查询表的所有字段的备注说明

         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'tablename' -- 如果只查询指定表,加上此条件
        

         ORDER 
         BY 
         O.
         name
         ,C.column_id
        