碎片批处理
--推荐使用ACTION1,因为它支持在线操作,重建索引期间支持其他操作
DECLARE @ACTION1 VARCHAR(MAX)
DECLARE @ACTION2 VARCHAR(MAX)
DECLARE pcurr CURSOR
FOR
SELECT
--objects.name ,
--indexes.name AS indexid ,
--avg_fragmentation_in_percent AS frag ,
--partition_stats.row_count ,
'ALTER INDEX ' + indexes.name + ' ON ' + objects.name
+ ' REBUILD WITH (ONLINE = ON )' ACTION1 ,
'ALTER INDEX ' + indexes.name + ' ON ' + objects.name
+ ' REORGANIZE WITH ( LOB_COMPACTION = ON ) ' ACTION2
FROM sys.dm_db_index_physical_stats(7, NULL, NULL, NULL, 'LIMITED') stats
LEFT JOIN sys.objects objects ON stats.object_id = objects.object_id
LEFT JOIN sys.indexes indexes ON indexes.index_id = stats.index_id
AND stats.object_id = indexes.object_id
LEFT JOIN sys.dm_db_partition_stats partition_stats ON stats.object_id = partition_stats.object_id
AND indexes.index_id = partition_stats.index_id
WHERE avg_fragmentation_in_percent > 4
AND stats.index_id > 0
AND objects.name NOT IN ( 'Student_Delete_Apply' )
ORDER BY row_count DESC ,
avg_fragmentation_in_percent DESC
OPEN pcurr
FETCH NEXT FROM pcurr INTO @ACTION1, @ACTION2
WHILE ( @@FETCH_STATUS = 0 )
BEGIN
EXEC (@ACTION1)
PRINT ( @ACTION1 )
-- EXEC (@ACTION2)
----------------------------
FETCH NEXT FROM pcurr INTO @ACTION1, @ACTION2
END
CLOSE pcurr
DEALLOCATE pcurr