查询表名描述 MS_Description
| 1 2 3 4 5 | 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
| 1 2 3 4 5 6 | 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
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | 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 |
