SQL Server Index Fragementation

select
    a.index_id,
    OBJECT_NAME(b.object_id) as object,
    name,
    avg_fragmentation_in_percent as frag,
    fragment_count,
    avg_fragment_size_in_pages,
    *
from
    sys.dm_db_index_physical_stats (DB_ID('Pricing'), null, NULL, NULL, NULL) as a
INNER join
    sys.indexes as b on
    a.object_id = b.object_id and
    a.index_id = b.index_id
ORDER BY
    frag DESC