The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT DISTINCT (ph.clm_document_number||'-'||pr.release_num), ph.po_header_id, pr.po_release_id
FROM ap_invoice_distributions_all aid,
po_distributions_all pd,
po_headers_all ph,
po_releases_all pr
WHERE aid.invoice_id in (select invoice_id
from ap_invoice_payments_all
where check_id = l_check_id)
AND aid.po_distribution_id = pd.po_distribution_id
AND pr.po_release_id = pd.po_release_id
AND ph.po_header_id = pr.po_header_id
AND ph.type_lookup_code = 'BLANKET'
UNION ALL
SELECT DISTINCT ph.clm_document_number, ph.po_header_id, null
FROM ap_invoice_distributions_all aid,
po_distributions_all pd,
po_headers_all ph
WHERE aid.invoice_id in (select invoice_id
from ap_invoice_payments_all
where check_id = l_check_id)
AND aid.po_distribution_id = pd.po_distribution_id
AND pd.po_header_id = ph.po_header_id
AND ph.type_lookup_code = 'STANDARD';
SELECT distinct ai.invoice_num, ai.invoice_id
FROM ap_invoices_all ai,
ap_invoice_payments_all aip
WHERE aip.check_id = l_check_id
AND aip.invoice_id = ai.invoice_id;