R12 Features,

R12 Feaututes :
--------------
1.MOAC(Multiorg Access Control) :
  ------------------------------
  By Using Single Responsibility we can be able to access
  multiple operating units at a time.
2.Mutiorg views were replaced with MOAC Based synonyms.
3.MO:Security Profile is a new profile added in R12.
4.VPD(Virtual Private Database) System will take care of
  Data security in R12

5.Org Initialisation process in R12 :
  ----------------------------------
   begin
     mo_global.set_policy_context('S','204');
   end;
 
  MOAC Synonym Initialisation :
  ----------------------------
   begin
     FND_GLOBAL.APPS_INTILISE('APPLICATION_ID','RESPONSIBILTY_ID,'USER_ID');
     MO_GLOBAL.INIT('SQLAP'); -- Application Short Name
   end;

  Modulewise Changes in R12 :
  --------------------------
  General Ledger :
  --------------
  1. Subledger Accounting module was added in  R12.
  2. gl_sets_of_books table was replaced with gl_ledgers
     and gl_ledger_Sets.
  3. In Addition to Currency,Calendar,Chart of accounts,
     Convention was added in R12.
 
   Accounts Payable :
   ----------------
   1.ap_invoice_lines_all table added in R12.
   2.ap_invoice_distributions_all table populates the data
     when ever invoice gets accounted.
   3.Supplier form was converted from form based solution to
     webbased solution.
   4.po_vendors tables replaced with ap_suppliers tables.
   5.Supplier and customer information was defined together
     Under TCA(Trading Community Architecture).
   6.Accounting Tables were modified.
   7.Both supplier and customer bank information was defined
     under payments(New application in R12) Application.
   
      11i Table               R12 Table
      -----------             ------------
      po_vendors              ap_suppliers
      po_vendor_sites_all     ap_supplier_sites_all
      po_vendor_contacts      ap_supplier_contacts
      ap_banks                ce_banks
      ap_bank_branches        ce_bank_branches
      ap_ae_headers_all       xla_ae_headers
      ap_ae_lines_all         xla_ae_lines
      ap_ae_accounting_events xla_events

Order Management  :
-----------------
  Move Order Fautures were added in R12.
  ra_customers ,ra_site_uses_all ,ra_adderesses_all
  views were removed in R12.
  in place of ra_customers,ra_site_uses_all,ra_addersses_all
  views need to use the below mentioned base tables.
 
    hz_cust_accounts
    hz_parties
    hz_cust_site_uses_all
    hz_cust_acct_sites_all
    hz_party_sites
    hz_locations