The following lines contain the word 'select', 'insert', 'update' or 'delete':
select value
INTO G_DIR
from v$PARAMETER where name = 'utl_file_dir';
select substr('l'|| substr(to_char(sysdate,'MI'),1,1)
|| lpad(BIS_debug_s.nextval,6,'0'),1,8) || '.BIS'
into G_FILE
from dual;
G_Debug_tbl.DELETE;