Roles and Responsibilities

The job of the DBA seems to be everything that everyone else either doesn't want to do, or doesn't have the ability to do. DBAs get the enviable task of figuring out all of the things no one else can figure out. More seriously though, here is a list of typical DBA responsibilities:

• Installation, configuration and upgrading of Oracle server software and related products
• Evaluate Oracle features and Oracle related products
• Establish and maintain sound backup and recovery policies and procedures
• Take care of the Database design and implementation
• Implement and maintain database security (create and maintain users and roles, assign privileges)
• Perform database tuning and performance monitoring
• Perform application tuning and performance monitoring
• Setup and maintain documentation and standards
• Plan growth and changes (capacity planning)
• Work as part of a team and provide 7x24 support when required
• Perform general technical trouble shooting and give consultation to development teams
• Interface with Oracle Corporation for technical support.
• Patch Management and Version Control

 DBA Skills Required

• Good understanding of the Oracle database, related utilities and tools
• A good understanding of the underlying operating system
• A good knowledge of the physical database design
• Ability to perform both Oracle and operating system performance tuning and monitoring
• Knowledge of ALL Oracle backup and recovery scenarios
• A good knowledge of Oracle security management
• A good knowledge of how Oracle acquires and manages resources
• A good knowledge Oracle data integrity
• Sound knowledge of the implemented application systems
• Experience in code migration, database change management and data management through the various stages of the development life cycle
• A sound knowledge of both database and system performance tuning
• A DBA should have sound communication skills with management, development teams, vendors and systems administrators
• Provide a strategic database direction for the organisation
• A DBA should have the ability to handle multiple projects and deadlines
• A DBA should possess a sound understanding of the business

DBA Qualifications

• May be certified as an Oracle DBA.  
• Preferably a BS in computer science or related engineering field
• Lots and lots of EXPERIENCE

Application Database Administrator (ADBA) 

Application DBA's or ADBA's are responsible for looking after the application tasks pertaining to a specific application. This includes the creation of database objects, snapshots, SQL tuning, etc.

Typical ADBA responsibilities:

• Implement and maintain the database design
• Create database objects (tables, indexes, etc.)
• Write database procedures, functions and triggers
• Assist developers with database activities
• Tune database queries
• Monitor application related jobs and data replication activities

Applications Database Administrator (Apps DBA)

Administration of the Oracle E-Business Suite environment, including the normal DBA and ADBA functions for such an environment. 

Oracle Developer 

Person that develops application systems that will de deployed on an Oracle database. 

Generic responsibilities

The responsibilities below can be added to any of the above.

• Complete time sheets
• Document work performed
• Interview new candidates

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