Performance tuning, check index defragmentation

Check defragmentation of index

SELECT ps.database_id, ps.OBJECT_ID,

ps.index_id, b.name,

ps.avg_fragmentation_in_percent

FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS ps

INNER JOIN sys.indexes AS b ON ps.OBJECT_ID = b.OBJECT_ID

AND ps.index_id = b.index_id

WHERE ps.database_id = DB_ID()

ORDER BY ps.OBJECT_ID

GO

Rebuild with fillfactor 

DECLARE @TableName VARCHAR(255)

DECLARE @sql NVARCHAR(500)

DECLARE @fillfactor INT

SET @fillfactor = 95

DECLARE TableCursor CURSOR FOR

SELECT OBJECT_SCHEMA_NAME([object_id])+'.'+name AS TableName

FROM sys.tables

OPEN TableCursor

FETCH NEXT FROM TableCursor INTO @TableName

WHILE @@FETCH_STATUS = 0

BEGIN

SET @sql = 'ALTER INDEX ALL ON ' + @TableName + ' REBUILD WITH (FILLFACTOR = ' + CONVERT(VARCHAR(3),@fillfactor) + ')'

EXEC (@sql)

FETCH NEXT FROM TableCursor INTO @TableName

END

CLOSE TableCursor

DEALLOCATE TableCursor

GO