The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
pa_buza_debug_log_s.nextval into g_session_seq_id
from dual;
insert into pa_buza_debug_log
( SESS_SEQ_ID,creation_date,
creation_date_chr,line_num,MESSAGE )
values ( g_session_seq_id,sysdate,
to_char(sysdate,'DD-MON-YYY HH24:MI:SS'), g_msg_num,p_msg);