Created
October 10, 2012 02:00
-
-
Save nakaji/3862715 to your computer and use it in GitHub Desktop.
インデックス断片化の状況を表示する ref: http://qiita.com/nakaji/items/d6e8484fa67c246487ef
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
ALTER INDEX インデックス名 on テーブル名 REBUILD with ONLINE=ON; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
with index_stat as ( | |
select * | |
from sys.dm_db_index_physical_stats(DB_ID(N'AdventureWorks'), NULL, NULL, NULL, NULL) | |
) | |
select | |
C.schema_id | |
,A.object_id table_id | |
,B.object_id index_id | |
,C.name schema_name | |
,A.name table_name | |
,B.name index_name | |
,D.avg_fragmentation_in_percent | |
,'ALTER INDEX [' + B.name + '] ON [' + C.name + '].[' + A.name + '] REBUILD;' | |
from sys.tables as A | |
inner join sys.indexes as B on (B.object_id = A.object_id) | |
inner join sys.schemas as C on (C.schema_id = A.schema_id) | |
inner join index_stat as D on (D.object_id = B.object_id AND D.index_id = B.index_id) | |
where A.type='U' | |
order by D.avg_fragmentation_in_percent DESC; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment