Query to find out Bill_To and Ship_To Customer from Contract

 SELECT   okh.org_id

       , okh.contract_number

       , okh.contract_number_modifier

       , okh.ship_to_site_use_id

       , ship_hps.party_site_number ship_to_site_number

       , ship_hcas.account_number ship_to_customer_number

       , okh.bill_to_site_use_id

       , bill_hps.party_site_number bill_to_site_number

       , bill_hcas.account_number bill_to_customer_number

    FROM okc_k_headers_all_b okh

       , hz_cust_site_uses_all ship_hcsua

       , hz_cust_acct_sites_all ship_hcasa

       , hz_party_sites ship_hps

       , hz_cust_accounts ship_hcas

       , hz_cust_site_uses_all bill_hcsua

       , hz_cust_acct_sites_all bill_hcasa

       , hz_party_sites bill_hps

       , hz_cust_accounts bill_hcas

   WHERE 1 = 1

     AND okh.contract_number = '11346850'

     AND ship_hcsua.site_use_code = 'SHIP_TO'

     AND okh.ship_to_site_use_id = ship_hcsua.site_use_id

     AND ship_hcasa.cust_acct_site_id = ship_hcsua.cust_acct_site_id

     AND ship_hcasa.party_site_id = ship_hps.party_site_id

     AND ship_hps.party_id = ship_hcas.party_id

     AND ship_hcas.cust_account_id = ship_hcasa.cust_account_id

     AND bill_hcsua.site_use_code = 'BILL_TO'

     AND okh.bill_to_site_use_id = bill_hcsua.site_use_id

     AND bill_hcasa.cust_acct_site_id = bill_hcsua.cust_acct_site_id

     AND bill_hcasa.party_site_id = bill_hps.party_site_id

     AND bill_hps.party_id = bill_hcas.party_id

     AND bill_hcas.cust_account_id = bill_hcasa.cust_account_id

     AND ship_hcasa.status = 'A'

     AND ship_hcsua.status = 'A'

     AND ship_hcas.status = 'A'

     AND ship_hps.status = 'A'

     AND bill_hcasa.status = 'A'

     AND bill_hcsua.status = 'A'

     AND bill_hcas.status = 'A'

     AND bill_hps.status = 'A'

     AND okh.org_id = 111

     AND okh.scs_code = 'SUBSCRIPTION'

     AND okh.sts_code = 'ACTIVE'

ORDER BY okh.last_update_date DESC

How to call one Form to another Form in Oracle APPS

DECLARE
   other_params                  VARCHAR2 (255);
BEGIN
   other_params :=
           'p_param1='
        || NAME_IN ('OKS_HEADER.id')
        || '&'
        || 'p_param2='
        || 'SC';
   fnd_function.EXECUTE (function_name      => 'CONTRACT_ESTIMATION'--Function Name
                       , open_flag          => 'Y'
                       , session_flag       => 'N'
                       , other_params       => other_params
                        );
END;