The following lines contain the word 'select', 'insert', 'update' or 'delete':
select LANGUAGE_CODE
into lang_str
from fnd_languages flang,
fnd_concurrent_requests fcr
where fcr.NLS_LANGUAGE = flang.NLS_LANGUAGE
and fcr.request_id = req_id
and flang.INSTALLED_FLAG in ('B', 'I');
select l.nls_language
from fnd_languages l
where l.language_code = p_language_code;