Today I am sharing SQL query often required during performance tuning/Optimization phase of the project.The query makes use of system DMV’s provided by SQL server.Open new query window in SQL Server and fire the below query against the respective database.Just pass in the name of the table and the database for which you want to view the fragmentation.
SELECT i.name AS IndexName
, ROUND(s.avg_fragmentation_in_percent,2) AS [Fragmentation %]
OBJECT_ID(‘currency’), NULL, NULL, NULL) s
INNER JOIN sys.indexes i ON s.[object_id] = i.[object_id]
AND s.index_id = i.index_id
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