Difference Between 11i and R12

11i	R12
1. If you want to change the OU then you need to change the responsibility in MOAC.	1. Without changing the responsibility you can change the OU.
2. Report server exists.	2. The Reports server is obsolete in Release 12. All reports are now run through the Concurrent Processing server manager via the rwrun executable, which spawns an in-process server.
3. 11i only forms basis application.	3. R12 is now forms and HTML pages.
4. 11i is particularly in set of books	4. R12 using in ledgers
5. In 11i, the Bank Accounts are defined at the Operating Unit level.	5. In R 12, Bank Accounts are defined at Legal Entity Level which can be accessed by multiple Operating Units.
6. In R11, there are only 6 validation types: - Dependent, Independent, None, Pair, Special and Table.	6. In R12, there are 2 additional validation types called ‘Translatable Independent’ and ‘Translatable Dependent’.
7. Set of Books 3Cs-Chart of Accounts, Functional Currency, Accounting Calendar.	7. Ledgers 4Cs – Chart of Accounts, Ledger Currency, Accounting Calendar, Accounting Method(Conventions).
8. Individual Product (AP, AR, etc.) accounting. i.e. Global Accounting Engine.	8. Sub Ledger Accounting Method (SLAM)
9. Operating Unit	9. Multi-Org Access Control (MOAC)
10. Multiple setups for accounting in GL	10. Accounting Setup Manager (ASM)
11. In personalization level set_lov_property is not available	11. In Oracle Apps R12 we can change the LOV.
12. Reporting Set of books	12. Reporting Currency
13. Operating Units assigned to set of books	13. Operating Units assigned to primary Ledger in an Accounting setup.
14. Reports/Forms 6i	14. Reports/Forms 10g
15.Inventory in 11i	15.In R12 ,Inventory have two types process manufacturing and discrete manufacturing
16. In 11i Only relation between customers at TCA.	16. In R12, Relationship between suppliers, customers, bank details at TCA.
17.No MOAC	17. MOAC(Multi Org Access Control)
18. Database Version in 11i (11.5.9 & 11.5.10) was 9i	18. Where as in Release 12 its 10g.
19. Tech Stack in Application Tier consist of iAS(1.0.2.2.2) & Developer 6i (Forms & Reports 8.0.6)	19. but in Applications R12 it is built on Fusion Middle ware (10g Web Server and 10g Forms & Reports)
20. Intercompany Accounts	20. Intercompany Balancing.