Blogs Dennes Torres in Blogs SQL Elevated Configuration: The fail-safe for maintenance Many years ago, in the company I was working for, one junior DBA started a reindex operation in a SQL... 08 November 2021 3 min read
Jonathan Lewis Investigating Indexes Rebuilding indexes is an activity that you shouldn’t need to do often. There are always a few special cases –... 28 September 2016 16 min read
Jonathan Lewis Text Indexes The Oracle database has many features that are not spoken of frequently and a recent note by Connor McDonald reminded... 05 September 2016 14 min read
Anju Garg Defragmentation Can Degrade Query Performance As data in tables is updated and / or deleted, pockets of empty space can be created, leading to fragmented... 16 June 2016 15 min read
Jonathan Lewis Massive Deletes – Part1 In a recent article about dropping columns from a table I left hanging the question of what you might do... 29 January 2016 12 min read
Tim Ford Louis Davidson SQL Server Index Tuning with DMVs: sys.dm_db_index_usage_stats, Missing Index Details, and Operational Stats Using SQL Server DMVs to tune your indexing strategy - identifying unused indexes (sys.dm_db_index_usage_stats), finding operational hotspots including latching and... 11 October 2012 43 min read
Seth Delconte Getting Started With XML Indexes XML Indexes make a huge difference to the speed of XML queries, as Seth Delconte explains; and demonstrates by running... 25 September 2012 17 min read