HOW TO INSTALL ORACLE 11g & ORACLE APEX 5.1 or 5 or 4 DOCUMENTATION BY : ABDUL RAFAY
INSTALL ORACLE 11 g
SELECT RADIO BUTTON AS MENTIONED
Select desktop class
• Select character set Unicode Set password and confirm password
START THE INSTALLATION PROCESS
During the setup oracle configuration will happen and after it you will get …
This box will update you about DB CONFIG MANAGEMENT
In password management, SYSTEM AND SYS uncheck this..
This means setup has installed..
NOW INSTALLING APEX FOLLOW EVERY STEP PASSWORD : OF EVERY INSTANCE SHOULD BE KEPT SAME FOR YOUR ASSISTANCE.
Copy apex folder to C: .Open CMD Prompt in the same folder and then Follow steps shown in below image
After connecting sys run this command @apexins.sql sysaux sysaux temp /i/
Then run the command TYPE PASWORD LIKE : Test1234!
Then run these commands
Then reconnect yourself to SQL PLUS AND ENTER : @apex_epg_config C:
TYPE THESE COMMANDS  alter user anonymous account unlock;  SELECT DBMS_XDB.GETHTTPPORT FROM DUAL;  EXEC DBMS_XDB.SETHTTPPORT(8080);  REMEMBER EACH AND EVERY PASSWORD.  Now go to : http://localhost:8080/apex/

Installing Oracle 11g and Oracle Apex 5.1 ( Easy Way To install)