How to generate alter index rebuild statement for all index based on fragmentation index in SQL server DB

 SELECT + 'ALTER INDEX ' + Indexname + '  ON ' + TABLENAME + ' REBUILD WITH (ONLINE = ON)' from  (SELECT S.name as 'Schema', T.name as 'Tablename', I.name as 'Indexname', DDIPS.avg_fragmentation_in_percent, DDIPS.page_count FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS DDIPS INNER JOIN sys.tables T on T.object_id = DDIPS.object_id INNER JOIN sys.schemas S on T.schema_id = S.schema_id INNER JOIN sys.indexes I ON I.object_id = DDIPS.object_id AND DDIPS.index_id = I.index_id WHERE DDIPS.database_id = DB_ID() and I.name is not null AND DDIPS.avg_fragmentation_in_percent > 0 ) AB