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In this video, CBT Nuggets trainer Garth Schulte covers identifying and repairing index fragmentation which, especially on busy tables, can significantly impact performance.
Index fragmentation is what happens when data is being put into, taken out of and modified within a table rapidly in a short amount of time — it's when the logical order comes out of sync with the physical order of the datapages. Watch to learn how to identify index fragmentation and how to repair it.
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How to Repair Fragmentation of an Index
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