SQL Server T-SQL query to get Index fragmentation informationI think you need index_id in the joins againstsys.dm_db_partition_statsandsys.indexes.Here’s a version of the above query that performs much better.
SQL Server index fragmentation is an overarching problem arising from an excessive number of alterations in the database.
Index Manager as part of DevOps Automation Use Index Manager along withdbForge DevOps Automation for SQL Serverto extend the DevOps approach to SQL Server databases. The solution helps you optimize productivity, reduce database release costs, and make the overall workflow consistent and safe. ...
Index design basics Think about a regular book: at the end of the book, there's an index that helps to quickly locate information within the book. The index is a sorted list of keywords and next to each keyword is a set of page numbers pointing to the pages where each keyword can ...
,ips.index_id ,index_type_desc ,avg_fragmentation_in_percent ,avg_page_space_used_in_percent ,page_count FROM sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, 'SAMPLED') ips INNER JOIN sys.indexes i ON (ips.object_id = i.object_id) ...
A common way that the update occurs is to update the clustered index, and then all nonclustered indexes at the same time. SQL Server would update one row, then move to next row until all is complete. This is called narrow plan update or also called Per-Row Update. In some cases, th...
ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_index_option> [ , ...n ] ) ] ] } | DISABLE | REORGANIZE [ PARTITION = partition_nu...
ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_index_option> [ , ...n ] ) ] ] } | DISABLE | REORGANIZE [ PARTITION = partition_nu...
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...
Automatic index and statistics management Use smart solutions such asAdaptive Index Defragto automatically manage index defragmentation and statistics updates for one or more databases. This procedure automatically chooses whether to rebuild or reorganize an index according to its fragmentation level, among ...