查询数据库已存在的索引

9/1/2015来源:SQL技巧人气:2597

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