The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
exception_usage_id,
exception_reason,
calendar_id,
calendar_usage_id,
object_version_number,
exception_id
from hr_exception_usages
where exception_usage_id = p_exception_usage_id;
select exception_usage_id,
exception_reason,
calendar_id,
calendar_usage_id,
object_version_number,
exception_id
from hr_exception_usages
where exception_usage_id = p_exception_usage_id
for update nowait;