The following lines contain the word 'select', 'insert', 'update' or 'delete':
query_custid := 'select customer_id from FND_USER where user_id='|| userId;
query_name := 'select person_first_name, person_last_name from HZ_PARTIES where party_id =' || custId;
select profile_id into profile_id from jtf_perz_profile where profile_name like 'JTF_PROPERTY_MANAGER_DEFAULT_1';