Query to ger AR Invoice details

 SELECT
    hou.name,
    rcta.org_id,
    hca.account_number,
    hp.party_name,
    rcta.customer_trx_id,
    rcta.trx_number,
    rcta.trx_date,
    apsa.due_date,
    apsa.invoice_currency_code,
    apsa.amount_due_original,
    apsa.amount_line_items_original,
    apsa.tax_original,
    apsa.class,
    rctt.name,
    rbs.name,
    rcta.interface_header_context,
    rcta.interface_header_attribute1,
    rcta.bill_to_site_use_id,
    hcsua.site_use_id,
    hl.address1,
    hl.address2,
    hl.city,
    hl.state,
    hl.postal_code,
    hl.country,
    ft.territory_short_name
FROM
    ra_customer_trx_all       rcta,
    ar_payment_schedules_all  apsa,
    ra_cust_trx_types_all     rctt,
    ra_batch_sources_all      rbs,
    hr_operating_units        hou,
    hz_cust_accounts          hca,
    hz_parties                hp,
    hz_cust_acct_sites_all    hcasa,
    hz_cust_site_uses_all     hcsua,
    hz_party_sites            hps,
    hz_locations              hl,
    fnd_territories_vl        ft
WHERE
        1 = 1
    AND rcta.org_id = hou.organization_id
    AND apsa.customer_trx_id = rcta.customer_trx_id
    AND apsa.org_id = rcta.org_id
    AND rctt.cust_trx_type_id = rcta.cust_trx_type_id
    AND rctt.org_id = rcta.org_id
    AND rcta.batch_source_id = rbs.batch_source_id
    AND rcta.org_id = rbs.org_id
    AND rcta.bill_to_customer_id = hca.cust_account_id
    AND hca.party_id = hp.party_id
    AND hca.cust_account_id = hcasa.cust_account_id
    AND rcta.bill_to_customer_id = hcasa.cust_account_id
    AND rcta.bill_to_site_use_id = hcsua.site_use_id
    AND hcasa.cust_acct_site_id = hcsua.cust_acct_site_id
    AND hp.party_id = hps.party_id
    AND hcasa.party_site_id = hps.party_site_id
    AND hps.location_id = hl.location_id
    AND hl.country = ft.territory_code
    AND hcsua.site_use_code = 'BILL_TO'
    AND hcasa.status = 'A'
    AND hcsua.status = 'A'
    AND hca.status = 'A'

    AND rcta.trx_number = '1111111111'
    AND rcta.org_id = 111

query to remove junk characters from column

  Select TRANSLATE (trim(column_name), 'x'||CHR(10)||CHR(13)||CHR(9), 'x') from dual;

Query to find customer dunning contact email id

 SELECT
    account_number    account_number,
    obj.party_name    customer_name,
    sub.person_first_name,
    sub.person_last_name,
    sub.party_name    contact_name,
    LISTAGG(hcp.email_address, ',') WITHIN GROUP(
        ORDER BY
            hca.cust_account_id
    )                 emild_list,
    hrr.responsibility_type
FROM
    apps.hz_cust_accounts     hca,
    apps.hz_parties           obj,
    apps.hz_relationships     rel,
    apps.hz_contact_points    hcp,
    apps.hz_parties           sub,
    hz_cust_account_roles     hcar,
    hz_role_responsibility    hrr
WHERE
        hca.party_id = rel.object_id
    AND hca.party_id = obj.party_id
    AND rel.subject_id = sub.party_id
    AND rel.relationship_type = 'CONTACT'
    AND rel.directional_flag = 'F'
    AND rel.party_id = hcp.owner_table_id
   -- and hca.account_number=  '752588'
    AND hcp.owner_table_name = 'HZ_PARTIES'
    AND hcar.cust_account_id = hca.cust_account_id
    AND hcar.party_id = rel.party_id
    AND hrr.cust_account_role_id (+) = hcar.cust_account_role_id
    AND hrr.responsibility_type = 'DUN'
    AND hcp.contact_point_type = 'EMAIL'
GROUP BY
    account_number,
    obj.party_name,
    sub.person_first_name,
    sub.person_last_name,
    sub.party_name,
    hrr.responsibility_type

Query to get the service contract party roles

 SELECT
    okh.id,
    okh.contract_number,
    okh.contract_number_modifier,
    okh.authoring_org_id,
    hp.party_name,
    hp.party_number,
    hca.account_number,
    flv.meaning,
    okr.rle_code
FROM
    okc_k_party_roles_b   okr,
    okc_k_headers_all_b   okh,
    hz_parties            hp,
    hz_cust_accounts_all  hca,
    fnd_lookup_values     flv
WHERE
        okr.chr_id = okh.id
    AND okr.jtot_object1_code = 'OKX_PARTY'
    AND okh.contract_number = '111111111'
    AND okr.object1_id1 = hca.party_id
    AND hp.party_id = hca.party_id
    AND okr.rle_code = flv.lookup_code
    AND flv.lookup_type = 'OKC_ROLE'
    --AND trunc(nvl(flv.end_date_active, sysdate)) >= trunc(sysdate)
    --AND flv.enabled_flag = 'Y'
    AND flv.language = userenv('LANG')
    ;