The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT value
INTO l_tmp_dir
FROM V$PARAMETER
WHERE name = 'utl_file_dir';
SELECT substr(round(to_char(systimestamp, 'FF'),-5),1,4)
INTO l_suffix
FROM DUAL;
SELECT systimestamp
INTO l_now
FROM DUAL;
SELECT systimestamp
INTO l_now
FROM DUAL;