Index Maintenance Strategy: Rebuild vs Reorganize and Fragmentation Analysis
How to Maintain Indexes, Fragmented indexes degrade query performance over time. Learn the professional strategy for index maintenance:1
Rebuild vs. Reorganize: Understand when to use the heavy, thorough REBUILD (for fragmentation 30%) versus the lighter, online REORGANIZE (for 10-30%).
Fragmentation Analysis: Use the sys.dm_db_index_physical_stats DMV to find and target only the large, fragmented indexes that need attention.
Best Practices: How to schedule maintenance during off-peak hours and the importance of using a fill factor to slow down fragmentation.