update LC_FEED.raw_hostfut_1 set EXECUTION_ID = TRANSACTION_ID_SEQ.NEXTVAL
WHERE EXECUTION_ID is null
and information_source_code = 84

Execution Plan
----------------------------------------------------------
   0      UPDATE STATEMENT Optimizer=CHOOSE (Cost=11261 Card=1 Bytes=8
          )

   1    0   UPDATE OF 'RAW_HOSTFUT_1'
   2    1     SEQUENCE OF 'TRANSACTION_ID_SEQ'
   3    2       COUNT (STOPKEY)
   4    3         TABLE ACCESS (FULL) OF 'RAW_HOSTFUT_1' (Cost=11261 C
          ard=1 Bytes=8)
Statistics
----------------------------------------------------------
          0  recursive calls
          0  db block gets
     117177  consistent gets
     117075  physical reads
          0  redo size
        475  bytes sent via SQL*Net to client
        464  bytes received via SQL*Net from client
          3  SQL*Net roundtrips to/from client
          1  sorts (memory)
          0  sorts (disk)
          0  rows processed