Check SQL table index fragmentation
SELECT OBJECT_NAME(ind.OBJECT_ID) AS TableName,
ind.name AS IndexName,
indexstats.index_type_desc AS IndexType,
indexstats.avg_fragmentation_in_percent ,
CONCAT('ALTER INDEX [', ind.name, '] ON [', OBJECT_NAME(ind.OBJECT_ID), '] REBUILD')
FROM sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, NULL) indexstats
INNER JOIN sys.indexes ind
ON ind.object_id = indexstats.object_id
AND ind.index_id = indexstats.index_id
WHERE indexstats.avg_fragmentation_in_percent > 30
ORDER BY indexstats.avg_fragmentation_in_percent DESC