Index fragmentation is a frequently discussed issue when it comes to SQL databases, and experienced administrators know how often it can be at the root of performance problems. If you want to learn ...

SELECT OBJECT_NAME(IndexStats.object_id)as 'Table_Name', Indexes_.name AS Index_Name,ROUND(IndexStats.avg_fragmentation_in_percent,2) AS Fragmentation FROM sys.dm_db ...

A proper query analysis plan has to be built and followed. Based on the query analysis output, rebuilding or reorganization of indexes must be done. In short, defragmentation is essential for ...

For the T-SQL syntax, see ALTER INDEX REBUILD For columnstore indexes, rebuilding removes fragmentation, moves all rows into the columnstore, and reclaims disk space by physically deleting rows that ...

Heaven forbid. Let’s talk about Index Fragmentation in SQL Server. Fragmentation is a natural effect of rows being inserted, updated and deleted especially with variable length columns which may ...

DBAs rely on rules of thumb that use index size and fragmentation information to accomplish the task ... We have implemented our techniques in Microsoft SQL Server and developed a tool that can ...