MAJOR DIFFERENCE BETWEEN 11I AND R12

MAJOR DIFFERENCE BETWEEN 11I AND R12

11i	R12
Database version is 9i Rel-2	Database version in is 10g (10.2.0.2)
Tech stack in Application Tier consist of iAS & Developer 6i(Forms & Reports 8.0.6)	It is build on Fusion Middleware (10g web server and 10g Forms & Reports)
HTTP Server or Web server version 1.0.2.2.2 which is built in Apache Version 1.3.19	HTTP Server or Web server version 10.1.3 which is built in Apache Version 1.3.34
mod_Jserv	Mod_oc4j
Forms/Reports version is 6i	Forms/Reports version is 10.1.2.0.2 (10g)
In personalization level set_lov_property is not available	We can change the LOV
JDBC version is 9	JDBC version is 10.2.0
JDK/JRE version 1.3.1 or 1.4.2. Jinitiator at client side	JDK/JRE version 1.5.0. SUN JRE at client side
APPL_TOP path : $HOME/<SID>appl	$HOME/apps/apps_st/appl
COMMON_TOP path : $HOME/<SID>comn	$HOME/apps/apps_st/comn
ORACLE_HOME path : $HOME/<SID>ora/8.0.6	$HOME/apps/apps_st/10.1.2