Understanding Index Fragmentation in SQL Server (and How to Fix It)
Index fragmentation is one of those performance issues that tends to creep in quietly. You may not notice it right away, but over time it can lead to slower queries, increased I/O, and overall degradation in performance. If your system feels like it is gradually slowing down without an obvious cause, fragmentation may be a part of the story. What is Index Fragmentation? At a high level, index fragmentation refers to how out of order the pages of an index …
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