SELECT 表名=CASE WHEN C.column_id=1 THEN O.name ELSE N'' END, 表说明=ISNULL(CASE WHEN C.column_id=1 THEN PTB.[value] END,N''), 字段序号=C.column_id, 字段名=C.name, 主键=ISNULL(IDX.PrimaryKey,N''), 标识=CASE WHEN C.is_identity=1 THEN N'√'ELSE N'' END, 计算列=CASE WHEN C.is_computed=1 THEN N'√'ELSE N'' END, 类型=T.name, 字节数=C.max_length, 长度=COLUMNPROPERTY(C.[object_id],C.name,'precision'), 小数位数=C.scale, 允许空=CASE WHEN C.is_nullable=1 THEN N'√'ELSE N'' END, 默认值=ISNULL(D.definition,N''), 字段说明=ISNULL(PFD.[value],N''), 索引=ISNULL(IDX.IndexName,N''), 索引排序=ISNULL(IDX.Sort,N''), 创建日期=O.Create_Date, 修改日期=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
