DIfference Between Index Rebuild and Index Reorganize

This blog describe Index rebuild and Reorganize.

When we right click on index we have two options - Rebuild and Reorganize

Rebuild : rebuild drops the existing index and recreates again.

alter index all on wms_loose REBUILD

Reorganise : reorganize physically arrange the leaf nodes of the index.

alter index all on wms_loose REORGANIZE

Note

If index fragmentation shows above 40%. we should reorganize in this scenario.

And when fragmentation shows 10% to 40 %.we should rebuild in this scenario.

remember one thing the time of rebuild database resources are locked.

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