查询数据库已存在的索引

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,      

             CColumnID=C.Column_id,      

             CColumnName=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,      

             PrimaryKey=CASE WHEN IDX.is_primary_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