The following lines contain the word 'select', 'insert', 'update' or 'delete':
select puci.value
, puci.user_column_instance_id
, puci.effective_start_date
, puci.effective_end_date
, puc.user_column_name
from pay_user_tables put, pay_user_columns puc, pay_user_column_instances_f puci
where put.user_table_name = 'ZA_PUBLIC_HOLIDAY_CALENDAR'
and put.user_table_id = puc.user_table_id
and puc.user_column_id = puci.user_column_id
and puci.effective_start_date <= p_DateTo
and puci.effective_end_date >= p_DateFrom;