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This query provides a list of queries (1,000 characters only) involved in full table scans. The total number of rows and blocks for each table is also displayed so that you can determine whether the full scan is degrading performance.

select sp.object_owner,sp.object_name,
(select sql_text from v$sqlarea sa
where sa.address = sp.address
and sa.hash_value =sp.hash_value) sqltext,
(select executions from v$sqlarea sa
where sa.address = sp.address
and sa.hash_value =sp.hash_value) no_of_full_scans,
(select lpad(nvl(trim(to_char(num_rows)),' '),15,' ')||' | '||lpad(nvl(trim(to_char(blocks)),' '),15,' ')||' | '||buffer_pool
from dba_tables where table_name = sp.object_name
and owner = sp.object_owner) "rows|blocks|pool"
from v$sql_plan sp
where operation='TABLE ACCESS'
and options = 'FULL'
and object_owner IN ()
order by 1,2;