DBMS_PARALLEL_EXECUTE

exec sys.dbms_system.ksdwrt(2, 'ORA-99991: log test');

DECLARE
l_sql_stmt VARCHAR2(1000);
l_try NUMBER;
l_status NUMBER;
BEGIN

-- Create the TASK
DBMS_PARALLEL_EXECUTE.CREATE_TASK ('mytask');

-- Chunk the table by ROWID
DBMS_PARALLEL_EXECUTE.CREATE_CHUNKS_BY_ROWID('mytask', 'HR', 'EMPLOYEES', true, 100);

-- Execute the DML in parallel
l_sql_stmt := 'update /*+ ROWID (dda) */ EMPLOYEES e 
SET e.salary = e.salary + 10
WHERE rowid BETWEEN :start_id AND :end_id';
DBMS_PARALLEL_EXECUTE.RUN_TASK('mytask', l_sql_stmt, DBMS_SQL.NATIVE,
parallel_level => 10);

-- If there is an error, RESUME it for at most 2 times.
L_try := 0;
L_status := DBMS_PARALLEL_EXECUTE.TASK_STATUS('mytask');
WHILE(l_try < 2 and L_status != DBMS_PARALLEL_EXECUTE.FINISHED) 
LOOP
L_try := l_try + 1;
DBMS_PARALLEL_EXECUTE.RESUME_TASK('mytask');
L_status := DBMS_PARALLEL_EXECUTE.TASK_STATUS('mytask');
END LOOP;

-- Done with processing; drop the task
DBMS_PARALLEL_EXECUTE.DROP_TASK('mytask');

END;
/