What does an 11i DBA do that a 9i/8i DBA does not?
An 11i DBA administrates Oracle Applications in addition to administrating the 8 or 9i RDBMS. The Oracle Applications provide business solutions in many areas (Financials, ERP, CRM, Business Intelligence). The Applications DBA has additional skills in some or all of the following areas:
Applications installation on one or more platforms
Installation and maintenance of Oracle to Web server interface, which could be Apache Web server or some other server
Understanding of Oracle and network security systems
Understanding of Oracle Applications interfaces with legacy systems
Design, develop and/or maintain Oracle and Applications disaster recovery systems
Maintaining the required level of performance for the applications
Maintaining applications availability.
Generally, the Apps DBA will also work with developers in terms of performance tuning their code.
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