The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT modification_number,
document_id
INTO l_mod_number,
l_document_id
FROM po_drafts
WHERE draft_id = p_lock_by_draft_id;
SELECT TO_CHAR(PO_WF_ITEMKEY_S.NEXTVAL)
INTO l_seq_for_item_key
FROM sys.dual;
SELECT type_lookup_code INTO l_doc_subtype FROM po_headers_all WHERE po_header_id = l_document_id ;
, p_mode => 'update');
'UPDATE_MOD_URL' , avalue => l_edit_po_url);