The following lines contain the word 'select', 'insert', 'update' or 'delete':
select
pattern_id,
pattern_name,
pattern_start_weekday,
pattern_start_time,
object_version_number
from hr_patterns
where pattern_id = p_pattern_id;
select pattern_id,
pattern_name,
pattern_start_weekday,
pattern_start_time,
object_version_number
from hr_patterns
where pattern_id = p_pattern_id
for update nowait;