可以运行下面SQL语句: SELECT dbschemas.[name] AS 'Schema', dbtables.[name] AS 'Table', dbindexes.[name] AS 'Index', indexstats.index_type_desc, indexstats.avg_fragmentation_in_percent, indexstats.page_count FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, ...
its different types, its performance impact and what are different methods available in SQL Server 2005 and 2008 to identify fragmentation levels. So now once you have identified the high fragmentation level in your database, which could be a bottleneck in your SQL Server performance...
SELECT object_id, index_id, avg_fragmentation_in_percent, page_count FROM sys.dm_db_index_physical_stats(DB_ID('your_db_name'), OBJECT_ID('your_one_table'), NULL, NULL, NULL); http://blogs.msdn.com/b/jorgepc/archive/2007/12/09/how-to-check-fragmentation-on-sql-server-2005.aspx...
With both SQL 2000 and SQL 2005 and later versions you can get the fragmentation information by using theDBCC SHOWCONTIGcommand. In addition, you can use the dynamic management viewsys.dm_db_index_physical_statsin SQL Server 2005 and later. These commands are great, but you really need to c...
However, since database fragmentation is a major cause of poor performance I thought a discussion of how to minimize and deal with database fragmentation in SQL Server might be generally useful. Essentially, three types of fragmentation affect SQL Server: · File (disk) fragmentation. SQL Server...
Find Index Fragmentation status using the T-SQL statement 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SELECTS.nameas'Schema', T.nameas'Table', I.nameas'Index', DDIPS.avg_fragmentation_in_percent, DDIPS.page_count FROMsys.dm_db_index_physical_stats(DB_ID(),NULL,NULL,NULL,NULL)ASDDIPS...
a.fragment_countASTotalFrags, a.avg_fragment_size_in_pagesASPagesPerFrag, a.page_countASNumPages FROMsys.dm_db_index_physical_stats(DB_ID('DB Name'), NULL,NULL,NULL,'DETAILED') ASa JOINsys.indexesASb ONa.object_id=b.object_id
Fragmentation in large object repositories. Cornell University Library arXiv:cs/0612111 [cs.DB].Sears, R., van Ingen, C.: Fragmentation in large object repositories. In: CIDR, pp. 298–305 (2007)Russell Sears,Catharine van Ingen.Fragmentation in large object repositories. Proc of CIDR . 2007...
Using Catch-All Subnets in Active Directory Use a distributed cache to provide scalability for ASP.NET Applications From the Editor: It’s All Gotta Work Toolbox: New Products for IT Pros SQL Q & A: Removing Index Fragmentation, Synchronizing vs. Synchronized, and More ...
Fragmentation report running for long time We have client SQL database 2012 with 5 TB of data and we are trying to run the fragmentation report for index rebuild but the report query is running for almost 2 hours and we need to kill the sessi......