需重建的索引

--索引上的碎片超过15%并且索引体积较大（超过500页）的索引。
SELECT '['+DB_NAME()+'].['+OBJECT_SCHEMA_NAME(ddips.[object_id], DB_ID())+'].['+OBJECT_NAME(ddips.[object_id], DB_ID())+']' AS [statement],
       i.[name] AS [index_name],
       ddips.[index_type_desc],
       ddips.[partition_number],
       ddips.[alloc_unit_type_desc],
       ddips.[index_depth],
       ddips.[index_level],
       CAST(ddips.[avg_fragmentation_in_percent] AS SMALLINT) AS [avg_frag_%],
       CAST(ddips.[avg_fragment_size_in_pages] AS SMALLINT) AS [avg_frag_size_in_pages],
       ddips.[fragment_count],
       ddips.[page_count]
FROM sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, 'limited') ddips
     INNER JOIN sys.[indexes] i ON ddips.[object_id] = i.[object_id]
                                   AND ddips.[index_id] = i.[index_id]
WHERE ddips.[avg_fragmentation_in_percent] > 15
      AND ddips.[page_count] > 500
ORDER BY ddips.[avg_fragmentation_in_percent],
         OBJECT_NAME(ddips.[object_id], DB_ID()),
         i.[name];