The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT DECODE(NVL(CHANGE_PROCESS_TYPE,'CHANGE_ORDER'),'MODIFICATION','Y','N')
INTO l_is_formal_chng_req
FROM PO_DOC_STYLE_HEADERS
WHERE STYLE_ID = p_style_id;
SELECT NVL(CLM_FLAG,'N')
INTO l_clm_flag
FROM PO_DOC_STYLE_HEADERS
WHERE STYLE_ID = p_style_id;
SELECT NVL(CLM_FLAG,'N')
INTO l_clm_flag
FROM PO_DOC_STYLE_HEADERS pdsh, po_headers_all pha
WHERE pha.po_header_id = p_po_header_id
AND pha.STYLE_ID = pdsh.style_id;