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SELECT 
  dbschemas.[name] as 'Schema',
  dbtables.[name] as 'Table',
  dbindexes.[name] as 'Index',
  indexstats.avg_fragmentation_in_percent,
  indexstats.page_count
FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS indexstats
  INNER JOIN sys.tables dbtables on dbtables.[object_id] = indexstats.[object_id]
  INNER JOIN sys.schemas dbschemas on dbtables.[schema_id] = dbschemas.[schema_id]
  INNER JOIN sys.indexes AS dbindexes ON dbindexes.[object_id] = indexstats.[object_id]
    AND indexstats.index_id = dbindexes.index_id
WHERE indexstats.database_id = DB_ID()
ORDER BY indexstats.avg_fragmentation_in_percent desc

avg_fragmentation_in_percent > 5 AND < 30
Reorganize Index
ALTER INDEX REORGANIZE

avg_fragmentation_in_percent > 30
Rebuild Index
ALTER INDEX REBUILD